Board of Directors
Our Board of Directors represent our community population. They guide much of our decision-making, and therefore is comprised of a mix of patients and residents from UHC-Served communities who reflect local demographics.
Jack Shantz, Psy. D.
Board Chair
Daniel Parra
Parliamentarian
Sarah Guerra
Secretary
Angel Angulo
Board Member
Esther Nicacio
Board Member
Nathan Williams
Board Member
Lorane Avalos
Board Member
Ofelia Garcia
Board Member
Jose Gutierrez
Board Member
Nicole Thompson
Board Member
Executive Leadership Team
Colleen Curtis
President & Chief Executive Officer
Justin Preas
Deputy Chief Executive Officer
Ganga Hematillake, M.D.
Chief Medical Officer
David Phillips
Community Development Officer
Beatrice Perez
Clinical Services Officer
Miguel Rodriguez
Chief Operations Officer
Ricardo Viveros
Business Development Officer
Jesus Maldonado
Chief Financial Officer
Raul Venegas
Chief Information Officer
Senior Leadership Team
Gregory Williams, M.D.
Associate Medical Director
Sonia Relingo, D.D.S.
Associate Dental Director
Nathan Boyd, D.D.S.
Associate Dental Director
Choua Xiong-Fajardo
Director of Finance
Hyman Tageldin
Director of Information Technology
Sylvia Ramirez, Psy.D.
Director of Behavioral Health
Eliane Saed, R.N.
Director of Clinical Services
Stephanie Phyo, O.D.
Director of Optometry Services
Jonathon Anderson
Director of Health Information Technology
Michael Green
Director of Human Resources
Sara Santillan
Director of Quality Improvement
George Chatyrka
Director of HRSA Compliance/Grant Management
Mary Lou Lopez
Director of Central Operations
Kevin Love
Director of Facilities
Danette Owens
Director of Operations
Blake Carpenter
Director of Operations
Ali Atabbi
Director of Operations
Navjot Singh
Director of Billing and Managed Care