Board of Directors
Fourteen professionals serve on PHA's Board of Directors.

Peter R. Dolan - Board Chair
Peter R. Dolan, MBA is Chairman of the PHA Board. He also serves as Chairman of the Board of Trustees for Tufts University and is the former Chairman and CEO of Bristol-Myers Squibb.
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James R. Gavin III, MD, PhD - Board Chair Emeritus
Dr. Gavin is Board Chair Emeritus of PHA, having served as Board Chair from 2010 until 2020. He is a widely respected academic and entrepreneur in the medical community who brings a deep knowledge of childhood obesity-related illnesses and the policy and environmental influences that contribute to childhood obesity.
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David Blair - Board Member
David Blair is the former Executive Chairman of Accountable Health, Inc. Accountable and is a life-long resident of Montgomery County, Maryland.
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William H. Dietz - Board Member
Dr. Dietz is the Chair of the Sumner M. Redstone Global Center for Prevention and Wellness at Milken Institute School of Public Health at George Washington University.
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Viviana Lopez Green - Board Member
Viviana López Green is the Senior Director of Affiliate Engagement at UnidosUS, the largest Hispanic civil rights and advocacy organization in the US. In that capacity, she designs and leads national outreach and engagement efforts across nearly 300 state and local community-based organization to align on policy priorities, support organizational innovation by integrating civic action into social services, and develop leadership and communication initatives to change Latino narratives.
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Imani Greene - Board Member
Imani Greene is the Founder and President of GreeneGroup, an independent consultancy that designs paid, owned and earned media solutions to business challenges. At GreeneGroup, Greene designs campaigns for public, private and not-for-profit brands that support behavioral change and drive tangible outcomes.
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Tracey Griffin - Board Member
Tracey Griffin serves as a key partner to the President, PANDORA Americas, working across functional areas to ensure effective execution of day-to-day business activities and is integral in driving strategic priorities and initiatives across PANDORA Americas.
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Daniel J. Houston - Board Member
Daniel J. Houston is chairman, president and chief executive officer of Principal Financial Group®. He is responsible for overall management of the company.
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John Kiely - Board Member
Mr. Kiely is a director of Zovio Inc., a public educational technology company, Amneal Pharmaceutical, a public generic and specialty pharmaceutical company, and Covis Pharmaceutical, a private specialty pharmaceutical company.
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Steve Lacy - Board Member
Steve Lacy is on the executive committee of the dean’s advisory council for the College of Business Administration, serves on the board of trustees of the Kansas State University Foundation and is on the foundation’s board of directors.
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Gordon Reid - Board Member
Gordon Reid serves as Brand President of Giant Food, the Washington DC region’s largest Grocery brand with 165 stores and approximately 18,000 associates. With more than 35 years of retail experience, he joined Giant Food in November 2013.
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Dr. Olajide Williams - Board Member
Dr. Olajide Williams is Chief of Staff/Chief Medical Officer of the Department of Neurology at Columbia University – one of the oldest and most prestigious neurology departments in the country.
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Jason Langheier - Board Member
Jason Langheier, MD, MPH, is the CEO and Founder of Zipongo. He studied medical school, biostatistics and clinical research at DukeMed, Harvard and UCSF, respectively, following neuroscience research at Williams College, Cambridge University, Duke and the NIH.
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Leslie G. Sarasin Esq., CAE - Board Member
Leslie G. Sarasin Esq., CAE is the president and chief executive officer of FMI: The Food Industry Association, the trade association that serves as the voice of food retail, assisting its food retail and wholesale members in their role of feeding families and enriching lives, as well as the companies that supply goods and services to the industry.
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