Yuma Regional Medical Center is guided by a board made up of community members, the Yuma Regional Medical Center Board of Directors, along with an executive leadership team consisting of professionals who are top in their fields.

Robert J. Trenschel, DO, MPH

President and CEO

President & Chief Executive Officer, Dr. Robert “Bob” Trenschel brings nearly 20 years of healthcare and medical management experience to Yuma Regional Medical Center. His strong focus on population health emphasizes the hospital’s responsibility to utilize its resources in a way that benefits the overall health and well-being of the community and region.

Creating a system that promotes the practice of caregiving with ease, supports and rewards staff and ultimately provides the best patient experience is a triad of success that Dr. Trenschel believes is the core of the leadership team’s daily work. Dr. Trenschel served as a physician in a private practice from 1990-2000. He graduated medical school from Nova Southeastern University in Fort Lauderdale, FL, and holds a Masters of Public Health from Florida International University in Miami.

Executive Leadership Team

Deborah Aders, RN, MS, CENP

 Senior Vice President of Patient Care Services and Chief Nursing Officer

Bharat Magu, MD

Senior Vice President and Chief Medical Officer

Trudie Milner, PhD

Senior Vice President and Chief Operating Officer

Joan Cox, CPXP

Senior Vice President and Chief Experience Officer

Fredrick Peet, CHCIO

Senior Vice President and Chief Information Officer

Vernon Moore

Senior Vice President and Chief Financial Officer

Matthew McElrath, EdD

Senior Vice President and Chief Human Resources Officer

Machele Headington, MBA

Senior Vice President of Marketing & Communications

James Adamson

Senior Vice President and General Counsel

Executive Medical Directors

At Yuma Regional, our executive medical directors strive to ensure the appropriateness and quality of patient care. They provide valuable guidance and supervision to organize and coordinate physician services and services of other professionals.

Executive Medical Director
Primary Care

Executive Medical Director
Specialty Care

Executive Director Surgical Services

Board of Directors

Yuma Regional Medical Center is a not-for-profit organization governed by a volunteer Board of Directors. The Yuma Regional Medical Center Board of Directors is composed of uncompensated community residents with an interest in healthcare and a strong commitment to improving the health and wellbeing of fellow citizens. These directors set policy, monitor financial viability and provide direction for long-range strategic planning.

John Sternitzke

Board Chair

Louie Gradias

Vice Chair

Lora Dana


Andres Salcido

Board Member

Ashvin Shah, MD

Board Member

Claudia Dima, MD

Board Member

Fred Earle

Board Member

Steve Legros

Board Member

Woody Martin

Board Member

Medical Staff Leadership

Yuma Regional’s Medical Staff Leadership team provides guidance and governance for its membership and serves as a conduit for communications with the Board of Directors and Executive Leadership team.

Kanagasabai Muthu, MD

Chief of Staff

Arun Arumugam Raajasekar, MD

Vice Chief of Staff

Nada Alsaiegh, MD

Officer of Physician Relations