Leadership Team

K. Scott Wester, FACHE
President and Chief Executive Officer
Memorial Healthcare System
954-265-5805

Nina Beauchesne, FACHE
Executive Vice President and Chief Transformation Officer
Memorial Healthcare System
954-265-6996

Leah A. Carpenter, FACHE
Executive Vice President and Chief Operating Officer
Memorial Healthcare System
954-265-2995

Stephen Demers
Chief Executive Officer
Memorial Hospital Pembroke
954-883-8482

Vedner Guerrier
Chief Executive Officer
Memorial Hospital West
954-844-6871

Monica Puga, APRN
Senior Vice President and Chief Nurse Executive
Memorial Healthcare System
954-265-3451

Kevin R. Janser
Senior Vice President and President of Memorial and Joe DiMaggio Children's Hospital Foundations
Memorial Healthcare System
954-265-3454

Matthew Muhart
Executive Vice President and Chief Strategy Officer
Memorial Healthcare System
954-265-2995

Marc L. Napp, MD, MS, FACS
Executive Vice President and Chief Medical Officer
Memorial Healthcare System
954-265-7247

Peter Powers, FACHE
Chief Executive Officer
Memorial Regional Hospital
954-265-5814

Frank Rainer
Senior Vice President and General Counsel 
Memorial Healthcare System
954-265-6241

Aharon Sareli, MD
Chief Physician Executive Memorial Physician Group and Chief Critical Care Medicine
Memorial Healthcare System
954-265-9976

David Smith
Executive Vice President and Chief Financial Officer 
Memorial Healthcare System
954-265-5696

Caitlin Stella, MPH
Chief Executive Officer
Joe DiMaggio Children’s Hospital and Pediatric Services
Memorial Healthcare System
954-265-0507

Joe Stuczynski
Chief Executive Officer
Memorial Hospital Miramar
954-538-4810

Jeffrey S. Sturman
Senior Vice President and Chief Digital Officer
Memorial Healthcare System
954-276-4100

Margie Vargas
Senior Vice President and Chief Human Resources Officer
Memorial Healthcare System
954-265-5874

Douglas A. Zaren, FACHE
Chief Executive Officer 
Memorial Regional Hospital South
954-518-5001