Our Team
Administrative Team
The administrative team of the Department of Orthopaedic Surgery is a vital component of the department's success. Located in the Lawrence J. Ellison Ambulatory Care Center, the team is responsible for seamlessly operating the department's programs and services, delivering unparalleled support to the faculty and staff. With diverse backgrounds and extensive experience, the team brings a wealth of skills and expertise to their roles, making them an essential part of the department's success.
Chief Administrative Officer
Joseph MacDonald, M.B.A.
[email protected]
916-734-8154
Management Service Officer
Rieko Ringo
[email protected]
916-734-7103
Finance Analyst
Sharon Misewich, CRA
Research and Finance Analyst
[email protected]
916-734-4280
Academic Personnel
Shannon Untalasco
Academic Personnel Manager
[email protected]
916-734-3889
Robyn Baker
Academic HR Analyst II
Administrative Staff
Mazie Grigas
Administrative Assistant to Trauma and Pediatrics Services
[email protected]
916-734-2182
Rebecca Misner
Administrative Assistant to Foot/Ankle and Sports Medicine Services
[email protected]
916-734-5874
Debra Sample
Executive Analyst to the Department Chair
[email protected]
916-734-7353
Madeline Snoke
Front Desk/Research Administrative Assistant
[email protected]
916-734-3885
Venessa With
Administrative Assistant to Spine Service
[email protected]
916-734-2937
Education Programs
Margaret MacNitt
Education Programs Manager
[email protected]
916-734-2807
Margaret Allen
Education Programs Coordinator
[email protected]
916-734-4025
Delia Luna
Fellowship Coordinator
[email protected]
Research Staff
Chancey Sweeney, Ph.D., M.P.A., M.H.A.
Clinical Research Supervisor 2
[email protected]
916-734-6017
Marissa Arnold
Clinical Research Coordinator
[email protected]
Andrew Buck
Clinical Research Coordinator
[email protected]
Leslie Mellor, CCRC
Sr. Clinical Research Coordinator
[email protected]
Julia Martin, CCRC
Sr. Clinical Research Coordinator
[email protected]
916-734-8175
Maya Porter, B.S., CCRP
Sr. Clinical Research Coordinator
[email protected]
916-734-4216
Oak Park Research Lab
Naymalis La Santa
Lab Manager
[email protected]
Marketing and Communications
Sonia Kumar
Communications Specialist III
[email protected]