Board of Directors

Mid-America Transplant is governed by a voluntary, community-based Board of Directors composed of Donor Family members, hospital executives, physicians, and other disciplines, including ethics, religion, and law.

Mid-America Transplant Board of Directors

Richard Bucholz, MD
Mid-America Transplant Chair
KR Smith Professor of Neurological Surgery
SSM Health Saint Louis University Hospital 

Joan Magruder
Mid-America Transplant Vice-Chair
Group President 
BJC Healthcare

Jay Guffey
Mid-America Transplant Secretary/Treasurer
Retired Hospital Administrator 

Michael Diringer, MD, FCCM, FAHA
Mid-America Transplant, Immediate Past Chair
Professor of Neurology, Neurosurgery & Anesthesiology
Head, Neurocritical Care Section
Department of Neurology
Washington University School of Medicine
Director, Neurology/Neurosurgery Intensive Care Unit
Barnes-Jewish Hospital

Senator Christopher Belt
Illinois State Senator

Matt Broom, MD 
Chief Medical Officer and Vice President of Medical Affairs
SSM Saint Louis University Hospital

Tonia Burke
Donor Family Member
Bon Secours Mercy


Will Chapman, MD
Professor of Surgery 
Washington University School of Medicine

James M. DuBois, DSc, PhD
Director of Clinical Research Ethics
Washington University School of Medicine

Sean Hogan 
Mercy Hospital South

Arindam Kar

John Lynch, MD
Barnes-Jewish Hospital

Tammy McKim
Chief Financial Officer
The Muny

Ron Prenger
Executive Vice President and Chief Operating Officer

Henry Randall, MD
Division Chief, Adult and Pediatric Transplantation
SSM Health Saint Louis University Hospital
Associate Professor of Surgery
Saint Louis University

Harry Ratliff
Vice President and Wealth Management Advisor
Merrill Lynch 

Karen Rewerts
System Vice President of Finance
SSM Health's Missouri and Illinois Region 

Steven Scott
SSM Health Saint Louis University Hospital


John Smith
Business Growth Strategy Specialist

Lori Sturgill
Chief Information Officer
Saint Francis Healthcare System 

Mid-America Transplant Foundation Board of Directors


Ellen Barnidge, PhD
Mid-America Transplant Foundation Chair
Assistant Professor
Saint Louis University College for Public Health & Social Justice

Gene Ridolfi
Mid-America Transplant Foundation Vice-Chair
Executive Director
Barnes-Jewish Transplant Center


Jacquelynn Richmond
Mid-America Transplant Foundation Secretary/Treasurer
Deputy General Counsel
Mercy Health

Nesa Joseph
Mid-America Transplant Foundation Immediate Past Chair
President and CEO
Visiting Nurse Association

Diane Brockmeier
President & CEO 
Mid-America Transplant

Jennifer Davis
Administrative Assistant to the Assistant Superintendent of Learning
Webster Groves School District

Dwayne Ingram
Patient Advocacy Coordinator
St. Louis Children’s Hospital


Rev. Gabrielle Kennedy
Faith & For the Sake of All

Robert Ream, MD
Pediatric Critical Care Physician 
SSM Health Cardinal Glennon Children’s Hospital


John Reed
Senior Director
Property Tax for Charter Communications

Jorge Riopedre
Executive Director
Delmar Divine

Tamara Sheffield
Senior Vice President of Finance and Administrative Services
Forest Park Forever


Timothy Woods, MD
Trauma Medical Director