Medical Center & Clinics Leadership

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

Jennifer Cruikshank, MBA, RN
Chief Executive Officer
Medical Center & Clinics

Jonelle Morris, MSN
Chief Operating Officer
Medical Center & Clinics

Joe Zamora 
Chief Finance Officer, Riverside University Health System

Alexandra (Aleca) Clark, MD
Chief Medical Officer

Arnold Tabuenca, MD
Associate Chief Medical Officer

Leah Patterson, RN
Chief Nursing Officer & Patient Experience Officer

Melissa Charolla, MHA, RN 
Chief of Ambulatory Care

Daniel Kim, MD
Medical Program Director

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