Get to know our leadership team, experts and board members who are dedicated to achieving a world without HIV/AIDS. Under their guidance and strategic oversight, Vivent Health makes it possible for all clients, allies, staff and donors to thrive together.

Board of Directors

Dan Kaplan, Board Chair

Foley & Lardner

Madison, WI

Arvan Chan, Vice Chair

Centene Corporation

St. Louis, MO

Jane Appleby

Advocate Aurora Healthcare

Milwaukee, WI

Aimee Becker, MD

UW Health

Madison, WI

Eric Conley

Froedtert Health

Milwaukee, WI

Poonnasa Corn

Edward Jones

St. Louis, MO

Ryan Cox, PhD

Truman Medical Centers

Kansas City, MO

Nancy Flagg

Ernst & Young

Milwaukee, WI

Robbie Harriford, MD

Samuel U. Rodgers Health Center

Kansas City, MO

Kevin Haynes

The University of Texas at Austin

Austin, TX

Mike Hughes

Hughes Collaboration

Denver, CO

Sussann Kotara, MD


Austin, TX

Jeanette Kowalik, PhD, MPH

Jael Solutions

Chicago, IL

Noel Landuyt, PhD

The University of Texas at Austin

Austin, TX

George MacKinnon III,
PhD, MS, RPh

MCW Pharmacy School

Milwaukee, WI

Jerold McDonald

Omaiven Health

Austin, TX

Gordon Myers

U.S. Bank

St. Louis, MO

John Nygren

Wisconsin Assoc. of Health Plans

Madison, WI

Mike Romano

Orthopedic Centers of Colorado

Aurora, CO

Fred Ssewamala, PhD

Washington University

St. Louis, MO

Lisa Vanlerberghe


Milwaukee, WI

Aisha White, MD

Quintessence Plastic Surgery

Austin, TX


Interim President and CEO


Brandon Hill

Dr. Brandon Hill is a graduate of Indiana University, having obtained both a bachelor’s in gender studies and a doctorate in gender studies with a concentration in psychology from the Bloomington, Ind., school. He has more than 15 years of experience in health care and leadership in HIV, LGBTQIA+ and women’s health.

He has extensive operational and research expertise, having worked previously as the executive director of education, research and advocacy at the Howard Brown Community Health Center in Chicago and as the president and CEO of Planned Parenthood Great Plains, which serves Arkansas, Kansas, Missouri and Oklahoma.

Senior Leadership Team

Tracey Banks-Giles

Vice President of Human Resources

Tawnya Brown, MSW

Vice President of Operations (St. Louis)

Leslie Cockerham, MD, MAS

Chief Medical Officer

Cindy Cooper

Vice President of Strategic Communications

Theresa Dear

Chief People Officer

Timothy D. Dyer, CPA

Executive Vice President & Chief Financial Officer

Tony Fields, PharmD

Chief Pharmacy Officer

James Greer

Senior Vice President of Operations

J. Daniel Guinn, JD, MA

Vice President of Compliance and General Counsel

Caroline Huffman

Vice President of Operations (Kansas City)

Bill Keeton

Chief Advocacy Officer

Margaret Lidstone

Chief Development Officer

Freda Russell, Ph.D.

Vice President of Cultural & Organizational Development

Lyssa Towl

Vice President of Operations (Denver)

Carla Washington

Vice President of Operations (Wisconsin)

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