headshot of peter baker

Peter Baker, J.D., MBA

Senior Vice President and Administrator

Mr. Baker has worked for Loma Linda University Health for more than seven years, most recently serving as senior vice president and administrator of Loma Linda University Medical Center – Murrieta. He holds Doctor of Law and MBA degrees from Golden Gate University.


Richard Chinnock, MD, MS

Chief Medical Officer

Dr. Chinnock has served as Chief Medical Officer since 2015 and chair of the department of pediatrics at Loma Linda University School of Medicine since 2003. He graduated from the school in 1982 and earned a master’s degree in healthcare management from Harvard University’s T.H. Chan School of Public Health in 2013.


Sherry Nolfe, RN, MSNc

Sherry Nolfe, DNP, RN

Chief Nursing Officer

Ms. Nolfe oversees all clinical operations in both inpatient and outpatient settings. Ms. Nolfe has served Loma Linda University Health (LLUH) since 2005 and LLUCH since 2015 in various leadership roles where she previously served as the Executive Director for Patient Care Services. Before joining the administration team of LLU Children’s Hospital in 2015, Sherry served as the Director of Patient Care, Emergency Services, for both adults and pediatrics for LLU Medical Center. She has over 25 years of experience serving in senior leadership roles within LLUH and Florida Hospital health systems. She received her MS in nursing with a concentration in Nursing Administration and her Doctorate of Nursing Practice from Loma Linda University School of Nursing.


Brett Walls, MBA

Brett Walls, MBA

Assistant Vice President of Ambulatory Services

Mr. Walls manages outpatient clinic operations for Loma Linda University Children’s Health across Southern California. Mr. Walls joined the administration team recently after launching primary care pediatric services in the Inland Empire for 10 years.  Previously, he spent nearly two decades managing global commercial software initiatives and business development in the downstream oil and gas sector.  He earned three bachelor’s degrees in business from La Sierra University and an MBA from University of Phoenix.


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