Medical Center Leadership

​​Meet the ​administration team at RUHS Medical Center.

Jennifer Cruikshank

Jennifer Cruikshank, MBA, RN
Chief Executive Officer

Jonelle Morris

Jonelle Morris, MSN
Chief Operating Officer
Medical Center & Clinics

Joe Zamora

Joe Zamora 
Chief Finance Officer, Riverside University Health System


Alexandra (Aleca) Clark

Alexandra (Aleca) Clark, MD
Chief Medical Officer

Arnold Tabuenca

Arnold Tabuenca, MD
Associate Chief Medical Officer

Leah Patterson

Leah Patterson, RN
Chief Nursing Officer & Patient Experience Officer


Melissa Charolla

Melissa Charolla, MHA, RN 
Chief of Ambulatory Care

Daniel Kim

Daniel Kim, MD
Medical Program Director

Vikram Kumar

Vikram Kumar, MD
Chief Medical Information Officer


Lekisha Reese
CHC, RHIT - Chief Compliance and Privacy Officer


Angela Simpkins,
RN, BSN, MA - Chief Clinical Integration Officer