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US Spokespeople

Tacy Byham, Ph.D.
Chief Executive Officer
Tacy can provide an expert opinion regarding trends in leadership development, executive development, and assessment. Read Full Bio
William C. Byham, Ph.D.
DDI Founder and Executive Chairman
Bill Byham can provide an expert opinion on managing an older workforce, succession management, empowerment, multirater (360°) feedback, assessment centers, selection, training, and other trends in human resources. Read Full Bio
Jim Davis
Vice President & Executive Consultant
Jim can provide an expert opinion on individual contributor and leadership development, creating a service culture, and building high-performing teams. Read Full Bio
Scott Erker, Ph.D.
Senior Vice President of U.S. Operations
Scott can provide thought leadership on leadership issues including competency management, talent acquisition, performance management, leadership development, succession management, and talent management analytics. Read Full Bio
Matthew J. Paese, Ph.D.
Vice President, Succession Management & C-Suite Services
Matt can provide an expert opinion on CEO turnover, succession management, executive development and leadership assessment. Read Full Bio
Douglas Reynolds, Ph.D.
Senior Vice President, Assessment Technology and Chief Technology Officer
Doug directs research and development for DDI’s assessment and technology products, and is responsible for our global technology infrastructure and product implementations. He is an expert on assessment, technology, and regulatory issues. Read Full Bio
Evan Sinar, Ph.D.
Chief Scientist and Vice President, Center for Analytics and Behavioral Research (CABER)
Evan serves as a thought leader for DDI on topics such as leadership development, talent management analytics, data visualization, generational differences, social media, and pre-employment assessment. Read Full Bio
Audrey Smith, Ph.D.
Senior Vice President, Talent Diagnostics Solutions
Audrey can provide an expert opinion on succession management, executive development, and executive coaching. Read Full Bio
Barry Stern, Ph.D.
Senior Vice President, Accelerated Development Solutions
Barry can provide an expert opinion regarding trends in organizational change, succession management, assessment, and performance management. Read Full Bio
Richard S. Wellins, Ph.D.
Senior Vice President
Rich can provide research data and an expert opinion regarding trends in global leadership development, talent management and employee engagement. Read Full Bio

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