BLUE SHIELD - Key Persons


Aliza Arjoyan

Job Titles:
  • Member of the Senior Management Team
  • Senior Vice President, Provider Partnerships and Network Management

Amy Yao

Job Titles:
  • Member of the Senior Management Team
  • Senior Vice President and Chief Actuary

Ather Williams, III

Job Titles:
  • Member of the Board of Directors

Christy Frasca


Debbie I. Chang

Job Titles:
  • Member of the Senior Management Team
  • President and Chief Executive Officer, Blue Shield of California Foundation

Dr. Arthur Chen

Job Titles:
  • Member of the Board of Directors
  • Senior Fellow at Asian Health Services
Dr. Arthur Chen is currently a Senior Fellow at Asian Health Services (an FQHC/community health center) in Oakland, California, where since 1983 he continues practicing both inpatient and outpatient medicine as a family physician and where he previously served as Medical Director and Special Programs Director (1984-1995). Since 2011 he serves as an advisor (and served as a professional coach from 2011-2021) for the National Leadership Academy for the Public's Health, a CDC supported leadership development program for our emerging public health leaders, run from the Center for Health Leadership and Practice of the Public Health Institute. In 2018-2019 he served a similar role for the California Opioid Safety Network that is addressing the statewide opioid crisis. He also currently serves as Clinical Advisor and in 2017 served as the Chief Medical and Population Health Officer for Applied Research Works, a Health IT software company developing tools for case management, risk adjustment and improving quality of care performance among physician offices, medical groups and health plans. He sits on the Board of Directors for Blue Shield of CA, the National Council of API Physicians (NCAPIP) and the California Physicians Alliance (CaPA) an organization dedicated to universal health coverage and access for all Californians. CaPA recently published their Road Map to Golden State Care. From 2011-2021 he sat on the Alameda County Oversight Committee for Measure A, which disperses $130+M annually for health services for low income residents. From 2001-2009 he served as the Chief Medical Officer and Medical Director of the Alameda Alliance for Health, a Medicaid Managed Care non-profit public entity serving low-income residents of Alameda County. From 1996-2001 he was the Public Health Officer for Alameda County. Prior to that, he served as an emergency room physician and the Associate Medical Director of the Institute of Emergency Medicine at the Albert Einstein College of Medicine, Bronx, NY. He was also the Executive Director of the Chinatown Health Clinic (Charles B. Wang Health Center) in New York City. In 2015-16 he served on the Health Advisory Board for Intelligent Insites, an operational intelligence company for health delivery systems. From July 2011 to July 2016, he was an Obama Administration appointee to the Advisory Committee on Minority Health, a national committee established to advise on health equity initiatives undertaken by the DHHS and the Office of Minority Health. He chaired (1998-2006) the Board of Directors of the Asian and Pacific Islander American Health Forum, a national policy and advocacy organization whose mission is to improve the health status of Asian Americans and Pacific Islanders. From 2012-2017 he served on the Board of Applied Research Works, a health IT software company. From 2001-2003 he was appointed to the Task Force on Culturally and Linguistically Competent Physicians and Dentists for the CA Dept of Consumer Affairs. Between 1997-2001 he served on the National Association of County and City Health Officials MAPP (Mobilization for Action through Planning and Partnerships) planning committee (formerly APEXCPH: Assessment and Planning Excellence through Community Partners for Health. From 1997-2001 he served as a Board Member and later an Executive Committee member of the California Conference of Local Health Officers. He also served on the Board (2003-2012 and as Chairperson, 2006-2008) of The California Endowment, a health foundation focused on improving health status and access to care for California's medically underserved population. From 1999-2001 and 2004 to 2017, he served as an Executive Council member of the Alameda Contra Costa County Medical Association and as president in 2016. In 1999 he served on the CDC/ATSDR Task Force on Public Health Workforce Development. Dr. Chen was the recipient of the 2008 California Medical Association Foundation's Robert D. Sparks, MD Leadership Award. He was selected as a fellow to the 1996-7 Public Health Leadership Institute sponsored by the Centers for Disease Control and the University of California. During l989-l992 he was a member of the Kellogg National Fellowship Program. He has also served on advisory and planning committees to the Bureau of Primary Health Care of the U.S. Public Health Service, the Office of Minority Health, the National Institutes of Health and the American Lung Association. He has also testified before Congress and President Clinton's Health Task Force.

Eileen Roark


Eva Mendez


Guillermo Diaz

Job Titles:
  • Member of the Board of Directors

Haley Mixon - CHRO, SVP

Job Titles:
  • Chief Human Resources Officer
  • Member of the Senior Management Team
  • Senior Vice President

Helen DuPlessis

Job Titles:
  • Member of the Board of Directors

Hope Scott - Chief Legal Officer, EVP, Secretary

Job Titles:
  • Corporate Secretary
  • Executive Vice President
  • General Counsel
  • Member of the Senior Management Team

Jigar Shah - CMO, SVP

Job Titles:
  • Chief Marketing Officer
  • Member of the Senior Management Team
  • Senior Vice President

Joel Rubio

Joel Rubio is one of five interns working at Blue Shield this summer as part of our Health Equity Fellowship.

Kelly Stern

Job Titles:
  • Member of the Senior Management Team
  • Senior Vice President, Communications, Corporate Citizenship and Reputation

Kimberly Belshé

Job Titles:
  • Member of the Board of Directors

Kris Corso


Krishna Ramachandran

Job Titles:
  • Member of the Senior Management Team
  • Senior Vice President, Health Transformation, Provider Adoption

Kristen Cerf

Job Titles:
  • Member of the Senior Management Team
  • President and Chief Executive Officer, Blue Shield of California Promise Health Plan

Kristina Leslie - Chairman

Job Titles:
  • Chairman of the Board of Directors

Leon Panetta

Job Titles:
  • Member of the Board of Directors

Lisa Davis - CIO, EVP

Job Titles:
  • Chief Information Officer
  • Executive Vice President
  • Member of the Senior Management Team

Mari Baker

Job Titles:
  • Member of the Board of Directors

Mary You Chang


Michael Roberts


Michael Stuart - CFO, EVP

Job Titles:
  • Chief Financial Officer
  • Executive Vice President
  • Member of the Senior Management Team

Millie Virgil

Job Titles:
  • Member of the Senior Management Team
  • Senior Vice President, Transformation, Operations, and Customer Experience

Myechia Minter-Jordan

Job Titles:
  • Member of the Board of Directors

Nishant Anand

Job Titles:
  • Member of the Senior Management Team
  • Chief Executive Officer and Executive Vice President, Altais

Pamela DeCoste

Job Titles:
  • Member of the Board of Directors

Paul S. Markovich

Job Titles:
  • Member of the Board of Directors
  • Member of the Senior Management Team
  • President and Chief Executive Officer for Blue Shield of California

Peter Long

Job Titles:
  • Member of the Senior Management Team
  • Executive Vice President, Strategy and Health Solutions

Rosario Martinez

Job Titles:
  • Manager of the Special Investigations Unit

Salina Wong

Job Titles:
  • Senior Director of Clinical Pharmacy Programs

Sandra Clarke - COO, EVP

Job Titles:
  • Chief Operating Officer
  • Executive Vice President
  • Member of the Senior Management Team

Susan Fleischman - SVP

Job Titles:
  • Chief Medical Officer
  • Member of the Senior Management Team
  • Senior Vice President

Tami Glover


Tim Lieb

Job Titles:
  • Member of the Senior Management Team
  • Senior Vice President, Growth and Marketing

Will Glaser

Job Titles:
  • Member of the Board of Directors