Learning Tree International competitors

John Stankey assumed the role of CEO in July 2020 after previously serving as president and chief operating officer. With more than $180 billion in 2019 revenues, AT&T is one of the world’s largest companies in technology, media and telecom. It has delivered 36 consecutive years of quarterly dividend growth. And between 2015 and 2019, AT&T invested more than $135 billion in its network, including capital investments and acquisitions of spectrum and operations. Over that same period, the company invested more in the U.S. than any other public company. John’s leadership drives AT&T to deliver on its purpose to create connections with each other, with what people need to thrive in their everyday lives, and with the stories and experiences that matter. AT&T’s market focus is as a broadband provider, a software-based entertainment provider, and a creator of content that drives engagement. The company is undergoing a significant transformation initiative to ensure all the company’s business units are well-positioned for continued success into the next decade and beyond. AT&T Communications is a global leader in communications with nearly 135 million U.S. mobile, broadband and pay-TV customers, as of Q1 2020, and nearly 3 million business customers, from the smallest companies to nearly all the Fortune 1000. WarnerMedia is a leading media and entertainment company that creates and distributes popular content from a diverse array of storytellers and journalists through its industry-leading consumer brands including HBO, HBO Max, Warner Bros., TNT, TBS, truTV, CNN, DC Entertainment, New Line, Cartoon Network, Adult Swim, Turner Classic Movies and others. WarnerMedia also includes Xandr, which is focused on creating a better solution for advertisers and publishers to reach specific audiences at scale in trusted, premium content environments. AT&T Latin America provides pay-TV services across 10 countries and territories in Latin America and the Caribbean and wireless services to consumers and businesses in Mexico. John joined AT&T in 1985 and has 35 years of accomplished leadership spanning nearly every area of AT&T’s business. He has served in a variety of roles including CEO of WarnerMedia; CEO of AT&T Entertainment Group; Chief Strategy Officer; Chief Technology Officer; CEO of AT&T Operations; and CEO of AT&T Business Solutions. John holds a B.B.A. in Finance from Loyola Marymount University and an M.B.A. from UCLA. In addition to serving on AT&T’s board of directors, he serves on the board of directors of UPS.

Bearden is an experienced enterprise software executive. He was co-founder and CEO of Hortonworks, a publicly traded open-source company that merged with Cloudera in 2019. He also served as President and COO of SpringSource, a leading provider of open-source developer tools, until its acquisition by VMWare in 2009. Before joining SpringSource, Bearden served as Entrepreneur in Residence at Benchmark Capital. He also served as COO of JBoss, a leading open-source middleware company, until its acquisition by Red Hat in 2006.

Mr. Hall has been Chief Executive Officer and a director since August 2004. Prior to joining Gartner, he was a senior executive at Automatic Data Processing (ADP), a Fortune 500 global technology and service company, serving most recently as President, Employers Services Major Accounts Division, a provider of human resources and payroll services. Prior to joining ADP in 1998, Mr. Hall spent 16 years at McKinsey & Company, most recently as a Director.

Sasan Goodarzi has served as a member of Atlassian's board of directors since April 2018. Mr. Goodarzi is the chief executive officer (CEO) of Intiuit Inc. From May 2016 to December 2018, Mr. Goodarzi served as executive vice president and general manager of Intuit’s Small Business and Self-Employed Group. Prior to that, Mr. Goodarzi held multiple general management positions during two separate stints at Intuit, including as senior vice president and general manager for the company’s ProTax division and Intuit Financial Services from 2004 to 2010, as chief information officer leading Intuit’s transition to the cloud from 2011 to 2013, and as general manager and executive vice president of TurboTax from 2013 to 2016. Prior to joining Intuit, Mr. Goodarzi worked for Invensys, a global provider of industrial automation, transportation and controls technology, serving as global president of the products group. He also held a number of senior leadership roles in the automation control division at Honeywell. Mr. Goodarzi earned his bachelor's degree in electrical engineering at the University of Central Florida and a master's degree in business administration from the Kellogg School of Management at Northwestern University.

Rami Rahim is Chief Executive Officer of Juniper Networks and a member of the company's Board of Directors. Rahim was appointed CEO in November 2014. Rahim began his Juniper career in early 1997, as employee No. 32, and worked as an engineer on Juniper's first breakthrough product, the M40 core router. Rahim has progressed through a series of technical and leadership roles at Juniper, applying his engineering acumen to the design and development of Juniper's industry-leading product portfolio. He most recently served as Executive Vice President and General Manager of the Juniper Development and Innovation (JDI) organization, overseeing the company's entire product and technology portfolio. His responsibilities included driving strategy, development and business growth for routing, switching, security, silicon technology, and the Junos operating system. Other leadership positions held over the years include: Executive Vice President and General Manager of Platform Systems Division for routing and switching, Senior Vice President of the Edge and Aggregation Business Unit (EABU), and Vice President and General Manager of EABU. Rahim earned a Bachelor of Science degree in electrical engineering from the University of Toronto and a Master of Science degree in electrical engineering from Stanford University. He completed an intensive six-week executive program at Stanford University's Graduate School of Business. Rahim holds 17 U.S. Patents in networking technologies and is a member of IEEE.

James Bidzos is president and chief executive officer of Verisign. He also serves as chairman of the board of directors and has been executive chairman since August 2009. As the founder of Verisign, Bidzos is an Internet and security industry pioneer whose accomplishments include building RSA Security into the early standard-bearer for authentication and encryption, and launching Verisign as a company in 1995 to develop the digital certificate infrastructure for Internet commerce. Before returning to the president and chief executive role in August 2011, Bidzos served as Verisign's first president and CEO and also served as Verisign's chairman of the board of directors from April 1995 until December 2001, as vice chairman from December 2001 to July 2007, and as interim CEO from July 2008 to August 2009. Bidzos served as president and CEO of RSA Security from 1986 to February 1999, and then served as RSA's vice chairman from 1999 to May 2002.

Sutherland-Wong was named Glassdoor president earlier this year and appointed as the company's first COO in February 2018, overseeing day-to-day operations, strategy and business for Glassdoor. He joined the company in 2015 as vice president and general manager of monetization. Previously, Sutherland-Wong held roles at LinkedIn and Bain & Company. He currently sits on the board of Toolworks, an organization that helps people with barriers to employment successfully enter the job market. Sutherland-Wong is especially passionate about helping people grow their careers, acquire new skills and innovating around the candidate experience.

Ryan Roslansky (born December 4, 1977 in Tahoe City, California) is an American entrepreneur. He is the chief executive officer (CEO) of LinkedIn, a business-related social networking website, since June 2020 stepping up from his previous position as Senior Vice President. He started with LinkedIn in 2009 and was instrumental in the $1.5 billion acquisition of Lynda.com in 2015, the largest acquisition in LinkedIn's history at that time.