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Tacy M. Byham, Ph.D., is Chief Executive Officer of DDI. An innovative global leadership company, DDI works by the side of organizations worldwide, to find and grow ready-now and ready-next leaders, who can make powerful leadership decisions and navigate global complexity. Tacy and the 1000+ associates at DDI complete 50+ global CEO assessments annually for Fortune 500 companies, family owned businesses and non-profits. DDI’s world-class learning systems have helped their clients’ organizations develop more than 16 million leaders globally improving business metrics such as productivity, turnover, downtime, and safety. Notably, Kennedy Consulting Research & Advisory, the world’s leading source of consulting market analysis, gave DDI top ranking as the number one leadership development provider on its The Kennedy Vanguard™ Matrix based on the breadth and depth of its solutions. A nationally recognized speaker and author in the field of leadership, Tacy’s wisdom helps leaders survive and thrive during critical transitions and unleash their potential. Her book, \'Your First Leadership Job: How Catalyst Leaders Bring Out the Best in Others\', coauthored with Rich Wellins, has sold tens of thousands of copies and has been translated into five languages. Forbes, Fast Company, Inc., The Conference Board Review, Chief Learning Officer, and TD Magazine have featured her articles on topics from the arrival of unprepared leaders to how to be a leader at home. Furthermore, she has been interviewed and quoted in several industry media outlets, including CNN (London), Entrepreneur, IndustryWeek, Pittsburgh Tribune Review, Pittsburgh Magazine, Pittsburgh Business Times, and Sirius XM Business Radio. A staunch supporter of women’s empowerment and gender equality, Tacy champions inclusion and diversity. Her vision, determination and enthusiasm led her to serve as the inaugural keynote speaker for Women in Technology Conference sponsored by HR Technology (2016) and has made a well-received TED-like talk entitled #LeadLikeAGirl that can be viewed on YouTube. In August 2017, she penned an op-ed in the Pittsburgh Post-Gazette in response to a Google engineer's divisive statements against gender equality. When not working, Tacy is a singer in the DDI Band.

A seasoned executive with over 30 years’ experience leading both projects and businesses in the engineering and construction industry. Throughout his career, Cris has held senior leadership positions in the Middle East, Asia, India and Australia, with responsibility for the management and operations of several large engineering and construction firms, delivering complex projects, and expanding activities in the building, infrastructure, and oil and gas industries.

Dr. Carla O’Dell are a Chief Executive Officer at APQC and are based in Chief Executive Officer.