Board of Directors Spring 2026

Flynn A. Andrizzi, PhD, President and CEO

Adam Gafke, Senior Foundation Chief Operations Officer

Michelle Oster, Senior Chief Development Officer

Jackie Callies, Chief Development Officer

Angelica Garza, Associate Chief Operations Officer

Marc Levinson, Associate Chief Governance and Volunteer Relations Officer

Gregory V. Nelson, Chair

John F. Bookout, Chair Emeritus

Ewing Werlein, Jr., Senior Chair

Marc L. Boom, MD, President and CEO

Carlton E. Baucum, Vice Chair

Mary A. Daffin, Vice Chair

Elizabeth Blanton Wareing, Secretary

David M. Underwood, Jr., Asst. Secretary

Joseph C. “Rusty” Walter III, Treasurer

Joe Bob Perkins, Asst. Treasurer

Emily A. Crosswell

Martha Smith DeBusk

Juliet S. Ellis

Ricardo R. Gonzalez, MD

Bishop Cynthia Fierro Harvey

Mark A. Houser

Karla M. Kurrelmeyer, MD, President of the Medical Staff

Vidal G. Martinez

W. Benjamin Moreland

The Rev. Matthew Neely

Thomas J. Pace III, DMin

Armando A. Perez

Edmund W. Robb III, DMin

Douglas E. Swanson, Jr.

Spencer A. Tillman

Gerald B. Smith, Chair

Dorothy M. Ables, Vice Chair

David M. Underwood, Jr., Secretary

John W. Johnson, Immediate Past Chair

John F. Bookout, Chair Emeritus

Flynn A. Andrizzi, PhD, President and CEO, Houston Methodist Hospital Foundation

Marc L. Boom, MD, President and CEO, Houston Methodist

W. Leslie Doggett

Charles W. “Carlos” Duncan III

Lesha Elsenbrook

Ed Knight

Gregory V. Nelson

Ann Stern

Joseph C. “Rusty” Walter III

Elizabeth Blanton Wareing

Marc A. Watts

Linda Webster

Randa Weiner

Ewing Werlein, Jr.

W. Benjamin Moreland, Chair

Spencer A. Tillman, Vice Chair

Evan H. Katz, Secretary

Marc L. Boom, MD, President and CEO, Houston Methodist

Jenny C. Chang, MD, President and CEO, Houston Methodist Academic Institute

Edward A. Jones, President and CEO, Houston Methodist Research Institute

Edward R. Allen III, PhD

Steven Birdwell

John F. Bookout III

David T. Chao

Mary A. Daffin

Antonio M. Gotto, Jr., MD, DPhil

Robert A. Harrington, MD

Sean Keenan

Sippi K. Khurana, MD

Steven S. Looke

Ransom C. Lummis

Michael Colby Mueck

James F. Muschalik

Gregory V. Nelson

Joe Bob Perkins

Edward D. “Ward” Sheffield

Jeffrey F. Simmons

Suzanne H. Smith

Margaret Ogilvie Stacy

Christopher G. Stavros

Steven D. Stephens

Amy L. Waer, MD

Ewing Werlein, Jr.

Donna Sims Wilson

Gilbert Santana,
Chair

Gary T. Schmidt,
Vice Chair

Adrienne Joseph, PhD,
Secretary

Wayne L. Baldwin

Marc L. Boom, MD

R. D. Burnside III

Laura Choi, MD,
President of the Medical Staff

Pastor Tommy J. Clements

Glenn Hayes

Christopher D. Siebenaler

Lynda Villanueva, PhD

Levi Benton, Chair

Christopher D. Siebenaler, Vice Chair

Kyle Stanzel, Secretary

Marc L. Boom, MD

John D. Kennedy

Elaine Renola

Akhila Vijayakumar, MD, President of the Medical Staff

Judge Holly T. Williamson

Noel R. Rainey,
Chair

Marc L. Boom, MD

Ramon M. Cantu

J. Richard Cheney

Anthony C. DeFurio

Robert K. Moses, Jr.

Robert A. Phillips, MD, PhD

Lynn M. Schroth, DrPH

Christopher D. Siebenaler

Christopher D. Siebenaler,
Chair

Marc L. Boom, MD,
Vice Chair

Trent Fulin, Secretary

Fadi Alameddine, MD, President of the Medical Staff

Ramon M. Cantu

Cameron Dickey

The Rev. Elizabeth Duffin

Peter Morgan, MD, Vice President of the Medical Staff

Sutapa Sur, Chair

Elizabeth P. Butler, Vice Chair

Christopher D. Siebenaler, Secretary

Marc L. Boom, MD

Sue Chiang

Anthony Francis

Michael Garcia

Gene E. Huebner, MD

Jeffrey A. Jackson, MD

Lonnie E. Meadows

Sindhu Nair, MD, President of the Medical Staff

The Rev. W. Martin Nicholas

Timothy Opperman, MD, Vice President of the Medical Staff

William F. Schwer