Board of Directors

CHA is deeply grateful to our Board of Directors for their support and leadership. Our Board includes a dynamic group of individuals with experience serving as health advocates, senior citizens and/or disability community advocates, attorneys, professors, researchers, business and non-profit executives, and Health Insurance Counseling & Advocacy Program managers.

Executive Committee

Diane Caradeuc, Chair
David Wilder, Vice Chair
Clare Smith, Treasurer

Board Members

Lorenda Sanchez
John Tan
Ben Winker


Catherina Isidro- headshot-modified

Executive Director

SMP Director

Catherina Isidro has over 20 years of  experience in the private and non-profit sectors which have given her a keen understanding of the legislative process and association management.

Training & Policy Specialist

Bonnie Burns has over thirty years of experience in Medicare, Medicare supplemental insurance, and
long-term care insurance.

Training Specialist

Tatiana Fassieux is a Training Specialist for California Health Advocates (CHA) an organization dedicated to Medicare advocacy and education for Californians.

Karen Joy Fletcher, Publications Consultant

Communications & Marketing Director

Karen Joy Fletcher has over 20 years of experience in Medicare training, education and advocacy and has served with CHA since 2004.

Operations Specialist

Kristina Teotico has over 15 years of professional experience in keeping an office humming and running smoothly.

Deputy Executive Director

SMP Program Manager

Christina Dimas-Kahn was the Program Manager for San Mateo Health Insurance and Counseling Advocacy Program (HICAP) for 10 years before joining the California Health Advocates (CHA) team.

Tumikia Watu-Khuthaza, Web Designer

Website Developer

Tumikia Watu-Khuthaza worked as a graphic designer for 20+ years. Her background in design led to a web design business that she has successfully run for 11+ years.


Finance Director

Marti Holland, our Finance Director, joined California Health Advocates in 2007 and has over 35 years of experience in the accounting field.

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Jan 19, 2022 » 11:30 am - 1 pm PT

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