IRIS Leadership


David E. Clark

David E. Clark, a founding partner of IRIS, is the firm's president and managing partner, running day-to-day operations. Mr. Clark has worked in Federal healthcare for over 15 years, in both large Federal systems integration companies and small business contractors. He has served as a business executive, strategy consultant, industry liaison, and program manager supporting the Department of Health and Human Services, among other Federal health agencies.

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John A. (Pete) Williams, Ph.D.

John A. (Pete) Williams, Ph.D., FACHE, is a founding partner of IRIS. He supports the company's strategic direction and leads the firm's board of directors.  Dr. Williams holds a Ph.D. in Health Services with an emphasis on organizational behavior and has over 40 years of comprehensive executive leadership experience in program and project management, business development, strategy analysis, and change management. He is an expert on the functional, technical, and financial management aspects of complex IS/IT programs.

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Roger D. McCreery

Roger D. McCreery is IRIS' Chief Technology Officer (CTO) and has been consulting on health information technology (HIT) projects for more than 30 years, working for commercial, non-profit, and government entities, including federal, state, and local governments. An industrial engineer by training, Mr. McCreery's career has focused on healthcare, IT systems, program and project management, supporting processes, and enterprise organizational strategies.

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