Art director jobs in Puerto Rico

Job ID 252348 Posted 19-Dec-2025 Service line Advisory Segment Role type Full-time Areas of Interest Consulting **About The Role:** CBRE is seeking a Consulting Sr Manager - Organizational Design & Transformation to join our high-performing Americas Consulting team. This role is ideal for a strategic advisor with deep expertise in organizational design, process mapping/governance, and enterprise transformation-ideally within the corporate real estate (CRE) domain. As a CBRE Consulting Sr Manager - Organizational Design & Transformation, you will own the design and delivery of client-centric solutions across high-impact projects. You'll work closely with Fortune 500 clients, CRE leaders, and cross-functional teams to guide transformations that optimize structures, processes, and operating models. This role blends the rigor of world-class consulting with the practical knowledge of real estate operations. **What You'll Do:** + Lead organizational design and operating model engagements for enterprise real estate, including functional assessments, structure design, spans & layers analysis, and workforce modeling + Conduct end-to-end process analysis, mapping, and improvement initiatives, including governance framework design and implementation + Build and drive actionable change management strategies to accelerate adoption of new processes, structures, and technologies + Build comparative insights using CBRE and external data sets (cost, service levels, org constructs); distill findings into concise benchmarking reports that guide client investment and operating decisions + Facilitate partner interviews, develop workshops, and working sessions with executives, SMEs, and cross-functional teams + Develop client-ready deliverables including current/future state process maps, organization charters, governance tools, playbooks, and implementation roadmaps + Interpret and analyze data from surveys, assessments, and interviews to develop data-backed insights and recommendations + Manage and mentor project teams; ensure high-quality execution across multiple workstreams, clients, and geographies + Collaborate across consulting practices (e.g., workplace, portfolio strategy, tech & data) to deliver coordinated solutions **What You'll Need:** To perform this job successfully, an individual will need to perform each crucial duty satisfactorily. The requirements listed below are representative of the knowledge, skill, and/or ability required. Reasonable accommodations may be made to enable individuals with disabilities to perform essential functions. + Bachelor's Degree preferred with 5 - 8 years of relevant experience in the areas of management consulting or enterprise transformation, with 3+ years in org design, process, or governance. In lieu of a degree, a combination of experience and education will be considered. Advanced degree (MBA, MSOD, MPA, etc.) strongly preferred + Experience in corporate real estate (occupier-side) or consulting to CRE/FM/Workplace/Shared Services + Background with top consulting firms or in-house roles in large, matrixed organizations + Experience with process mapping + Preferred certifications: Prosci, Lean Six Sigma (Green/Black Belt), PMP/PRINCE2, CoreNet MCR/SLCR, SHRM-SCP + Advanced Microsoft Office skills (PowerPoint, Excel, Visio) + Strong analytical, storytelling, and partner influencing capabilities + Proven facilitation of workshops, steering committees, and working groups + High emotional intelligence and collaborative leadership style + Structured problem-solver with consulting rigor and creativity + Comfortable with ambiguity and complexity; driven to clarity and outcomes + Passionate about the future of work, real estate, and enterprise performance + Known for high standards, collaboration, and client-centric mentality **Why CBRE:** When you join CBRE, you become part of the global leader in commercial real estate services and investment that helps businesses and people thrive. We are dynamic problem solvers and forward-thinking professionals who create significant impact. Our collaborative culture is built on our shared values - respect, integrity, service and excellence - and we value the diverse perspectives, backgrounds and skillsets of our people. At CBRE, you have the opportunity to chart your own course and realize your potential. We welcome all applicants. **Our Values in Hiring:** At CBRE, we are committed to fostering a culture where everyone feels they belong. We value diverse perspectives and experiences, and we welcome all applications. **Disclaimers:** Applicants must be currently authorized to work in the United States without the need for visa sponsorship now or in the future. **Applicant AI Use Disclosure:** We value human interaction to understand each candidate's unique experience, skills and aspirations. We do not use artificial intelligence (AI) tools to make hiring decisions, and we ask that candidates disclose any use of AI in the application and interview process. **About CBRE Group, Inc.** CBRE Group, Inc. (NYSE:CBRE), a Fortune 500 and S&P 500 company headquartered in Dallas, is the world's largest commercial real estate services and investment firm (based on 2024 revenue). The company has more than 140,000 employees (including Turner & Townsend employees) serving clients in more than 100 countries. CBRE serves clients through four business segments: Advisory (leasing, sales, debt origination, mortgage serving, valuations); Building Operations & Experience (facilities management, property management, flex space & experience); Project Management (program management, project management, cost consulting); Real Estate Investments (investment management, development). Please visit our website at ************* CBRE carefully considers multiple factors to determine compensation, including a candidate's education, training, and experience. The minimum salary for the Consulting Sr Manager - Organizational Design & Transformation position is $120,000 annually and the maximum salary for the position is $150,000 annually. The compensation that is offered to a successful candidate will depend on the candidate's skills, qualifications, and experience. Successful candidates will also be eligible for a discretionary bonus based on CBRE's applicable benefit program. This role will provide the following benefits: 401(K), Dental insurance, Health insurance, Life insurance, and Vision insurance. **Equal Employment Opportunity:** CBRE has a long-standing commitment to providing equal employment opportunity to all qualified applicants regardless of race, color, religion, national origin, sex, sexual orientation, gender identity, pregnancy, age, citizenship, marital status, disability, veteran status, political belief, or any other basis protected by applicable law. **Candidate Accommodations:** CBRE values the differences of all current and prospective employees and recognizes how every employee contributes to our company's success. CBRE provides reasonable accommodations in job application procedures for individuals with disabilities. If you require assistance due to a disability in the application or recruitment process, please submit a request via email at recruitingaccommodations@cbre.com or via telephone at *************** (U.S.) and *************** (Canada). CBRE, Inc. is an Equal Opportunity and Affirmative Action Employer (Women/Minorities/Persons with Disabilities/US Veterans)

Job Title: Lead of Editing and Translation Job Purpose: Leads and assigns tasks within the Editing and Translation team under the Vice Presidency of Academic Development at NUC University (NUC). The Lead supports the Director in recruiting, hiring, and training new personnel, and is responsible for distributing editing, translation, and learning resource quality assurance tasks among team members. This role ensures that all deliverables meet high-quality standards and provides regular updates to the Director on project status and progress. The Lead may represent the Department Director in meetings or special activities during periods of absence. Job Description: The Lead of Editing and Translation reports directly to the Director of Editing and Translation and is responsible for managing and assigning tasks to all team members. This role requires a strong understanding of project lifecycles and work schedules within the Vice Presidency of Academic Development at NUC University. Familiarity with NUC's curricular and instructional design models is essential. Candidates must demonstrate expertise in applying grammar and orthographic rules in both English and Spanish, as well as proficiency in APA citation standards for academic content development. This position demands a high level of commitment, integrity, and leadership to uphold the quality standards of the Instructional Design Department and the institution. Experience in personnel management or human resources is highly desirable. Key Duties and Responsibilities: Coordinate with editors, translators, and the learning resources quality assurance team, ensuring high-quality deliverables. Assign editing and translation tasks based on departmental priorities and directives from the Director. Support the Director in monitoring and maintaining quality standards across all team outputs. Provide regular status and progress reports for assigned projects. Assist in designing and implementing strategies and technologies to improve workflows and cost-efficiency. Mentor team members to enhance their editing and translation skills. Support the development and maintenance of style guides and templates for consistent formatting. Contribute to the optimization of editing and translation workflows. Coordinate onboarding and training for new team members and propose workshops to meet production goals. Identify and resolve team-related issues and conflicts. Collaborate with instructional design, faculty, and graphic design teams to meet content editing and proofreading needs. Work with other departments to support course development and academic objectives. Participate in monthly course development planning with project managers and the Instructional Design Director. Oversee resolution of issues related to written instructional content reported by the academic community. Recommend appropriate technologies, tools, software, and systems for team use and acquisition. Stay current in the field through professional development, reading, networking, and certifications. Participate in faculty and institutional training sessions. Edit or translate official NUC University documents (e.g., letters, reports, policies, manuals) as needed. Perform other duties as assigned by the Director. Skills and Qualifications: Master's degree in Translation. Minimum of 3-4 years of experience in editing and translation (English and Spanish). Strong conceptual thinking and analytical skills. Excellent written and verbal communication skills in both Spanish and English. Preferably familiar with Learning Management Systems (LMS). Ability to learn and apply new technologies. Demonstrated experience in personnel management. Strong interpersonal and collaboration skills. Ability to work independently and in team-oriented environments. Adaptability to shifting priorities and deadlines with problem-solving capabilities. "Employer with Equal Employment Opportunity for Women, Minorities, Veterans, and Persons with Disabilities"

Drive the Future of Automotive Experiences, Join Our Human Interface Design Team! Are you passionate about crafting intuitive, beautiful, and human-centered digital experiences across vehicles, web, and mobile platforms? Our Human Interface Design (HID) team is redefining how people interact with automotive technology both inside and outside the vehicle. From in-vehicle displays to connected apps and foundational design systems across software and hardware, we create seamless experiences that feel effortless, engaging, and safe. **Work Arrangement:** This role is categorized as hybrid. This means the successful candidate is expected to report to the office three times per week or other frequency dictated by the business. **What We Do** + **Understand Drivers & Passengers:** We dive deep into user research to uncover real needs and behaviors on the road and beyond. + **Design Across Platforms:** From infotainment systems to mobile apps and web portals to hardware switch configurations, we build cohesive digital ecosystems that connect users to their vehicles and services. + **Build Strong Foundations:** We develop scalable design systems and interaction models that ensure consistency, accessibility, and innovation across all touchpoints. + **Innovate Interactions:** We define how users navigate voice controls, advanced driver-assist features, and connected services. + **Champion Safety & Accessibility:** Every design is inclusive, distraction-free, and aligned with global safety standards. + **Collaborate Across Teams:** We work hand-in-hand with engineers, product managers, interior and exterior designers and UX researchers to bring ideas to life. **Why Join Us?** + **Impact at Scale:** Your designs will shape the driving and digital experience for millions of users worldwide. + **Creative Freedom:** Explore bold ideas and push the boundaries of automotive and digital design. + **Continuous Growth:** Learn from a team of experts and stay ahead in the rapidly evolving mobility and tech landscape. + **User-First Culture:** Every decision starts with empathy for the driver, passenger, and digital user. If you're ready to design the future of mobility we'd love to meet you! **The Role** **Chevrolet Art Designer** The Brand Identity Group resides in Vehicle OS under Human Interface Design; this is where GM's UX becomes real inside the digital cabin. Chevrolet's digital expression must mirror its physical ambition; athletic, modern and capable. The Chevrolet Art Designer plays a critical role in shaping Chevrolet's visual DNA inside the digital cabin, ensuring that every image, narrative, and design moment reflects the brand's heritage and its future-forward identity. You'll collaborate closely with Chevrolet's studio, brand strategy, and UX teams to articulate the essence of Chevrolet through compelling visuals and storytelling. In this role, you will create high-end visual narratives, executive presentations, brand DNA guides, UX brand direction, high-fidelity visuals, and brand-specific content documentation that align product, studio, and leadership around a clear north star driven by storytelling and Chevrolet-specific UX brand content. Your work will anchor how Chevrolet is perceived in software from display documentation to strategic decks to high-fidelity imagery used in product and leadership conversations. The culture here is studio-like, collaborative, and built on taste, craft, and strategic thinking. You'll be surrounded by designers who care deeply about the work, who critique with intent, and who push each other toward excellence. You'll need a strong eye, a refined aesthetic sensibility, and the ability to bridge art and strategy. Chevrolet requires a bold, expressive, and modern voice, and we need a designer who can own that voice with confidence. This role is ideal for someone who sees design as storytelling and understands the responsibility of shaping a luxury brand's digital presence at scale. **Your Primary Focus** **- Evangelize Brand on behalf of In-Vehicle UX** Digital brand expression, brand storytelling, communication design, and creating the narrative cohesion between physical brand DNA and in-vehicle UX. **- Chevrolet Brand Identity** You make the Chevrolet brand identity actionable across UX, you are deeply aligned with the Chevrolet car studios intent, you are our Chevrolet UX brand strategist. **- Chevrolet UX Brand Strategy** Articulate, Craft and own the Chevrolet UX Brand strategy side by side with your peers. **Key Deliverables** **- Chevrolet DNA Guides** Visual and narrative documents capturing each brand's soul, tone, personality, and heritage in ways usable for UX teams. **- Chevrolet UX Brand Strategy** How the brand shows up in the digital cabin; translation of brand language, philosophy, and physical design into UX behaviors and visuals. **- Chevrolet Marketing Request Images** High-quality brand visuals used for product communication, digital launches, studio presentations, and leadership reviews. **- Cross-Brand Presentations** Executive-level storytelling spanning multiple GM brands; comparisons, alignments, visual narratives. **- Chevrolet-Specific Presentations** Deep dives for Chevrolet; brand history, future direction, UX implications, hero storytelling. **- Communication Design** High-quality figslides, keynote decks, PowerPoint narratives, and brand frameworks that connect strategy to creativity. **- Chevrolet-Specific Vehicle Content Documentation** Brand specific, vehicle specific documentation that collects software, screens, apps, feature-level explanations, software-generation changes, and the brand context for each experience. **Your Skills & Abilities (Required Qualifications)** + 6+ years of professional experience in UX Design and or Branding and or Communication Design + A portfolio of work that showcases your ability to tell stories through your visual craft. + Self-starter with strong autonomy. You're comfortable identifying problem areas, tackling them independently, and sharing your findings. You create clarity rather than waiting for it to be provided. + Deep understanding of human interface design best practices. + You can iterate quickly, form a clear design point of view, and navigate cross-functional feedback. + You can sell visuals, you can craft a narrative, you are highly descriptive to communicate and convey why one image works over another. You are willed to champion a brand and can back it up with clear discernible examples, not opinions. + Strong design sensibility, passion for brand, love for cars. You love the process of design but understand the best brand and UX results utilize restraint and balance. + High comfort level with technical complexity. You pick up new terminology quickly and have experience working with engineers, product managers, and other partners to understand requirements and functionality. **What Will Give You A Competitive Edge (Preferred Qualifications)** + 3+ years of professional experience as a leader of brands + Examples of brand executions and how and why they differ + Branded systems, principles and rules established and launched as guidelines + Experience designing content for non-traditional interfaces (e.g., automotive, voice, or wearable devices) **Portfolio Submission** To be considered for this position, you will need to submit a portfolio in addition to your resume and profile. We strongly recommend linking your online portfolio in the "website" section of the application. If your portfolio is not available online, please follow the instructions below to upload your portfolio as a separate attachment as you did with the resume. Please NO dropbox files or Google docs. To submit portfolio file: Save your portfolio as a PDF document. Name your portfolio your LAST NAME_FIRST NAME. Example: Candidate name is John Smith. Portfolio PDF file name is: Smith_John.pdf Upload as an attachment - you may have to condense the file. **Relocation:** This job may be eligible for relocation benefits. **Sponsorship:** GM DOES NOT PROVIDE IMMIGRATION-RELATED SPONSORHOP FOR THIS ROLE. DO NOT APPLY FOR THIS ROLE IF YOU WILL NEED GM IMMIGRATION SPONSORSHIP NOW OR IN THE FUTURE. **About GM** Our vision is a world with Zero Crashes, Zero Emissions and Zero Congestion and we embrace the responsibility to lead the change that will make our world better, safer and more equitable for all. **Why Join Us** We believe we all must make a choice every day - individually and collectively - to drive meaningful change through our words, our deeds and our culture. Every day, we want every employee to feel they belong to one General Motors team. **Total Rewards | Benefits Overview** From day one, we're looking out for your well-being-at work and at home-so you can focus on realizing your ambitions. Learn how GM supports a rewarding career that rewards you personally by visiting Total Rewards resources (******************************************* . **Non-Discrimination and Equal Employment Opportunities (U.S.)** General Motors is committed to being a workplace that is not only free of unlawful discrimination, but one that genuinely fosters inclusion and belonging. We strongly believe that providing an inclusive workplace creates an environment in which our employees can thrive and develop better products for our customers. All employment decisions are made on a non-discriminatory basis without regard to sex, race, color, national origin, citizenship status, religion, age, disability, pregnancy or maternity status, sexual orientation, gender identity, status as a veteran or protected veteran, or any other similarly protected status in accordance with federal, state and local laws. We encourage interested candidates to review the key responsibilities and qualifications for each role and apply for any positions that match their skills and capabilities. Applicants in the recruitment process may be required, where applicable, to successfully complete a role-related assessment(s) and/or a pre-employment screening prior to beginning employment. To learn more, visit How we Hire (********************************************** . **Accommodations** General Motors offers opportunities to all job seekers including individuals with disabilities. If you need a reasonable accommodation to assist with your job search or application for employment, email us Careers.Accommodations@GM.com or call us at ************. In your email, please include a description of the specific accommodation you are requesting as well as the job title and requisition number of the position for which you are applying. **About GM** Our vision is a world with Zero Crashes, Zero Emissions and Zero Congestion and we embrace the responsibility to lead the change that will make our world better, safer and more equitable for all. **Why Join Us** We believe we all must make a choice every day - individually and collectively - to drive meaningful change through our words, our deeds and our culture. Every day, we want every employee to feel they belong to one General Motors team. **Benefits Overview** From day one, we're looking out for your well-being-at work and at home-so you can focus on realizing your ambitions. Learn how GM supports a rewarding career that rewards you personally by visiting Total Rewards resources (************************************************************* . **Non-Discrimination and Equal Employment Opportunities (U.S.)** General Motors is committed to being a workplace that is not only free of unlawful discrimination, but one that genuinely fosters inclusion and belonging. We strongly believe that providing an inclusive workplace creates an environment in which our employees can thrive and develop better products for our customers. All employment decisions are made on a non-discriminatory basis without regard to sex, race, color, national origin, citizenship status, religion, age, disability, pregnancy or maternity status, sexual orientation, gender identity, status as a veteran or protected veteran, or any other similarly protected status in accordance with federal, state and local laws. We encourage interested candidates to review the key responsibilities and qualifications for each role and apply for any positions that match their skills and capabilities. Applicants in the recruitment process may be required, where applicable, to successfully complete a role-related assessment(s) and/or a pre-employment screening prior to beginning employment. To learn more, visit How we Hire (********************************************* . **Accommodations** General Motors offers opportunities to all job seekers including individuals with disabilities. If you need a reasonable accommodation to assist with your job search or application for employment, email (Careers.Accommodations@GM.com) us or call us at ************. In your email, please include a description of the specific accommodation you are requesting as well as the job title and requisition number of the position for which you are applying. We are leading the change to make our world better, safer and more equitable for all through our actions and how we behave. Learn more about: **Our Company (************************************************** **Our Culture** **How we hire (************************************************ Our diverse team of employees bring their collective passion for engineering, technology and design to deliver on our vision of a world with Zero Crashes, Zero Emissions and Zero Congestion. We are looking for adventure-seekers and imaginative thought leaders to help us transform mobility. Explore our global locations (******************************************** We are determined to lead change for the world through technology, ingenuity and harnessing the creativity of our diverse team. Join us to help lead the change that will make our world better, safer and more equitable for all by becoming a member of GM's Talent Community (beamery.com) (*********************************************** . As a part of our Talent Community, you will receive updates about GM, open roles, career insights and more. Please note that filling out the form below will not add you to our Talent Community automatically; you will need to use the link above. If you are seeking to apply to a specific role, we encourage you to click "Apply Now" on the job posting of interest. The policy of General Motors is to extend opportunities to qualified applicants and employees on an equal basis regardless of an individual's age, race, color, sex, religion, national origin, disability, sexual orientation, gender identity/expression or veteran status. Additionally, General Motors is committed to being an Equal Employment Opportunity Employer and offers opportunities to all job seekers including individuals with disabilities. If you need a reasonable accommodation to assist with your job search or application for employment, email us at Careers.Accommodations@GM.com .In your email, please include a description of the specific accommodation you are requesting as well as the job title and requisition number of the position for which you are applying.

Job Title: Lead of Editing and Translation Job Purpose: Leads and assigns tasks within the Editing and Translation team under the Vice Presidency of Academic Development at NUC University (NUC). The Lead supports the Director in recruiting, hiring, and training new personnel, and is responsible for distributing editing, translation, and learning resource quality assurance tasks among team members. This role ensures that all deliverables meet high-quality standards and provides regular updates to the Director on project status and progress. The Lead may represent the Department Director in meetings or special activities during periods of absence. Job Description: The Lead of Editing and Translation reports directly to the Director of Editing and Translation and is responsible for managing and assigning tasks to all team members. This role requires a strong understanding of project lifecycles and work schedules within the Vice Presidency of Academic Development at NUC University. Familiarity with NUC's curricular and instructional design models is essential. Candidates must demonstrate expertise in applying grammar and orthographic rules in both English and Spanish, as well as proficiency in APA citation standards for academic content development. This position demands a high level of commitment, integrity, and leadership to uphold the quality standards of the Instructional Design Department and the institution. Experience in personnel management or human resources is highly desirable. Key Duties and Responsibilities: Coordinate with editors, translators, and the learning resources quality assurance team, ensuring high-quality deliverables. Assign editing and translation tasks based on departmental priorities and directives from the Director. Support the Director in monitoring and maintaining quality standards across all team outputs. Provide regular status and progress reports for assigned projects. Assist in designing and implementing strategies and technologies to improve workflows and cost-efficiency. Mentor team members to enhance their editing and translation skills. Support the development and maintenance of style guides and templates for consistent formatting. Contribute to the optimization of editing and translation workflows. Coordinate onboarding and training for new team members and propose workshops to meet production goals. Identify and resolve team-related issues and conflicts. Collaborate with instructional design, faculty, and graphic design teams to meet content editing and proofreading needs. Work with other departments to support course development and academic objectives. Participate in monthly course development planning with project managers and the Instructional Design Director. Oversee resolution of issues related to written instructional content reported by the academic community. Recommend appropriate technologies, tools, software, and systems for team use and acquisition. Stay current in the field through professional development, reading, networking, and certifications. Participate in faculty and institutional training sessions. Edit or translate official NUC University documents (e.g., letters, reports, policies, manuals) as needed. Perform other duties as assigned by the Director. Skills and Qualifications: Master's degree in Translation. Minimum of 3-4 years of experience in editing and translation (English and Spanish). Strong conceptual thinking and analytical skills. Excellent written and verbal communication skills in both Spanish and English. Preferably familiar with Learning Management Systems (LMS). Ability to learn and apply new technologies. Demonstrated experience in personnel management. Strong interpersonal and collaboration skills. Ability to work independently and in team-oriented environments. Adaptability to shifting priorities and deadlines with problem-solving capabilities. "Employer with Equal Employment Opportunity for Women, Minorities, Veterans, and Persons with Disabilities"

Job Description About Us We are an energetic, super curious, passionate, fun and kick ass full-service ideation and advertising agency that has set out to break offline and online tradition and become a local and regional phenomenon. We need the bold and the daring to help us achieve our dream. Overview Art Directors are responsible for what advertisements look like. They are involved in creating designs that has an instant, positive impact on the consumer in order to promote the product or brand being advertised. The Day-to-Day Collaborate with copywriters to develop innovative ideas and concepts for client presentations. Design and execute visually compelling advertising campaigns that meet client objectives. Manage creative projects, ensuring they are delivered on time and within scope. Refine and finalize presentations and creative materials for client approval. Key Responsibilities Responsibilities may vary depending on the accounts, but typically include: Partnering with the creative team to assess client or company needs, develop strategies, and produce impactful visual elements for advertising campaigns. Working closely with account directors, account executives, and clients to set objectives, share progress, receive feedback, and present final deliverables. Conducting market and trend research to strengthen brand positioning, understand target audiences, and incorporate industry best practices. Coordinating with cross-functional teams to ensure campaigns are cohesive, integrated, and effective. Identifying and resolving design, process, or team-related challenges as they arise. Ensuring all creative outputs align with client expectations, brand identity, and organizational goals. What You Bring Strong creative vision with an eye for detail and innovation. Expertise in photography, typography, design principles, and print/digital production. Excellent communication and interpersonal skills, with the ability to collaborate across teams. Passion for social, cultural, and design trends, with the ability to translate insights into impactful campaigns. Highly accountable, motivated, and proactive in managing multiple projects simultaneously. Strong project management, presentation, and leadership abilities. Minimum of 3 years of experience in visual design or equivalent education. Minimum of 3 years of experience as an Art Director or Graphic Designer, preferably in an advertising agency or in-house creative team. Knowledge of audiovisual creation platforms Familiarity with content generation tools (AI) Bachelor's degree in graphic design, Marketing Communications, or a related field. Proficiency in design tools, MS Office, and digital collaboration platforms. Fully bilingual (English and Spanish) preferred. RosadoToledo& is an Equal Opportunity- Employer - Minority / Female / Disability / Veteran / Gender Identity / Sexual Orientation