Board of Directors
The Board of Directors represents 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, PsyD
Board Chair

Sarah Guerra
Vice Chair

Ofelia Garcia
Secretary

Nathan Williams
Treasurer

Daniel Parra
Parliamentarian

Jose Gutierrez
HRSA/Policy

Lorane Avalos
Board Member

Esther Nicacio
Board Member

Nicole Thompson
Board Member

Maricela Vargas
Board Member

Michael Graville
Board Member
Executive Leadership Team

Justin Preas
President & Chief Executive Officer

Gregory Williams, MD
Chief Medical Officer

Ganga Hematillake, MD
Chief Medical Officer - United Physicians Network

Beatrice Perez, RN
Chief Clinical Services Officer

Anthony Olivares
Chief Operations Officer

Jesus Maldonado
Chief Financial Officer

Faith Driscoll, Esq.
Chief Legal Officer

David Phillips
Community Resource Officer

Ricardo Viveros
Business Development Officer

Miguel Rodriguez
Chief Administrative Officer
Senior Leadership Team

Sharareh Shabafrooz, DO
Associate Medical Director

Sonia Relingo, DDS
Dental Director

Nathan Boyd, DDS
Dental Director

Stephanie Phyo, OD
Director of Optometry

Sylvia Ramirez, PsyD
Director of Behavioral Health

Steven Magallanes, DC
Chiropractic Director

Guadalupe Ramirez, RN
Director of Clinical Services

Eliane Saed, RN
Director of Clinical Operations

Alyssa Tapia-Ramirez
Director of Dental Operations

Gail Espinosa Mora
Director of Optometry Operations

Kenneth Evans
Director of Operations

Casie Cart
Director of Operations

Joshua Skunca
Director of Operations

Jose Ramos
Director of Recruitment & Development

Michael Green
Director of Human Resources

Antonio Ortiz Jr.
Director of Information Technology

Jonathon Anderson
Director of Health Information Technology & Data Management and Analytics

Eric Poole, CISSP
Director of Information Technology Security

Bobby Burgess
Director of Construction

Kevin Love
Director of Facilities

Humberto Cafaggi
Call Center Director

Stacee Reed
Provider Recruiter

Choua Xiong-Fajardo
Director of Finance

Mary Lou Lopez
Director of Billing

Donna Beavers
Director of HRSA Compliance and Grants Management

Emily Mireles
Director of Referrals

Sara Santillan
Director of Quality Improvement

Navjot Singh, MSHA
Director of Contracting and Managed Care