HASC Board and Staff Directory

James Barber
President & CEO
(213) 538-0706

Kim Mannos
Assistant to the President
(213) 538-0704

James Lott
Executive Vice President
(213) 538-0777

Jennifer Bayer
Vice President, External Affairs
(213) 538-0730

Jaime Garcia
Regional Vice President, Los Angeles
(213) 538-0702

Gerald W. Arcuri
Regional Vice President, Santa Barbara and Ventura
(805) 650-1243

Julie Puentes
Regional Vice President, Orange County
(714) 663-0294

Christina Bivona-Tellez, RN
Regional Vice President, Inland Area
(951) 222-2284

Mark Gamble
Senior Vice President
(213) 538-0760

Teraylan Hollingsworth
Vice President, Human Resources Services
(213) 538-0763

Robert Vlach, SPHR
Director, Human Resources

Catherine Carson, BSN, MPA, CPHQ
Vice President, Quality and Performance Improvement
(213) 538-0789

Patricia Wall, CAE
Vice President, Membership and Education Services
(213) 538-0715

George Mack, FACHE
Vice President, Member Relations
(213) 538-0717

Tom Soto
Manager, Information Technology
(213) 538-0700

Judy Ascenzi
Program Director, Administrative Services
(213) 538-0713

Ana Reza
Vice President, Public Resources
(714) 750-0788

Scott Twomey
President, AllHealth &
Senior Vice President/CFO, HASC
(213) 538-0756

David Hu
Controller, HASC
(213) 538-0762

Max Brown
Vice Chairman, PDS
(805) 906-9171

Leslie Gold
Senior Vice President/Operations, PDS
(310) 991-5340

Aviva Truesdell
Senior Vice President, AllHealth Security Services
(213) 538-0710

Catherine Winans, CAE
Senior Vice President, Medical Communication Systems
(213) 538-0719

Edwin Evans
Director, Medical Communication Systems
(213) 538-0787

Soraya Peters
Sustaining Director
(213) 538-0790