Management Staff Biographies


Rosa Vivian Fernández, MPH, FACHE, CEC
President & Chief Executive Officer

Rosa Vivian Fernández is the President and Chief Executive Officer of San Benito Health Foundation (SBHF), a non-profit community health care organization serving the San Benito County for over 40 years. She has been the President and CEO for thirteen years. Under her direction, SBHF serves more than 10,000 individuals annually at the main clinic in Hollister and the new satellite mobile unit, providing preventative and comprehensive medical, dental, vision, mental health, and health education services. In addition, Ms. Fernandez oversees a WIC program serving 2,100 women and children.

Ms. Fernández has extensive experience in executive management, strategic program planning, policy development, finance, and operational management in the public sector. Under her direction, SBHF was one of the first community health centers to implement electronic health records in San Benito County as well as connect the dental and medical patient chart.

Ms. Fernández is well respected nationally for her commitment to excellence, as well as for her business acumen. She proactively addresses social health and education inequities through various organized efforts locally and statewide.

In addition to a Master’s degree in Public Health from University of California, Berkeley, Ms. Fernandez holds three certificates in health administration from John’s Hopkins University, University of Southern California Sierra Health Foundation, and UCLA Johnson & Johnson. She is fluent in Spanish.

Ms. Fernández has served as a consultant to the Health Resource and Resources Administration (HRSA) as an Office of Performance Review (OPR) consultant team member for federally funded clinics. She is a Fellow of The American College of Healthcare Executives and a member of The American Public Health Association. She is a Rotarian and also serves as an External Leadership Council Member for the CSUMB College of Health Sciences and Human Services.


Dr. Edwin Acosta, PA, MMS, DDS
Primary Care Service Director

Dr. Edwin Acosta started his journey to become a dentist at the University of Florida, receiving a Bachelor’s Degree in Health Science Education. He continued his studies at Nova Southeastern University, where he received a Bachelor’s Degree in Physician Assistant Studies and a Master’s Degree in Medical Science. Upon graduation, he worked as a Physician Assistant in spine surgery. Although he enjoyed his new profession, and was even offered a professorship at the University of Washington, he knew his true calling was in the field of dentistry. In 2008, he received his doctorate from Meharry Medical College in Dentistry and has been active in community health since. He has been awarded the National Health Service Scholarship and remains active with National Network for Oral Health Access (NNOHA). In his free time, he enjoys spending time with his beautiful wife, Angie, and their son, Isaiah.


Margaret Nuñez CLE, CPHW, CEC
Operations Director

Margaret Nuñez has worked with the San Benito Health Foundation (SBHF) since 2006. Margaret is the WIC Manager and is responsible for managing the ongoing activities of the WIC Supplemental Food and Nutrition Program, which provides nutrition services and supplemental food packages to women, infants, and children who meet the income and health risk criteria. Margaret is an integral part of management team by evaluating and implementing strategic planning and overseeing the progress of all departments. As a Certified Lactation Consultant, Margaret also educates pregnant and breastfeeding mothers seeking additional support in breastfeeding their infants.

Margaret was raised in this community, which is why it comes as no surprise that she treats each individual as if he/she was a member of her own family. Her ability to connect with the community that SBHF serves shows her cultural competency. She is bilingual in Spanish and English and grew up speaking Spanish in her home. Margaret models how to create an environment that promotes a positive-patient experience. She continues to support a work culture that reflects a patient care-focused environment. She cultivates staff to provide optimal patient/participant care.

Margaret believes in continuously improving the patient experience in WIC and the clinic, making a seamless transition for patients between departments. She is a Certified Application Assistant for Medi-Cal and has advocated for more effective participant enrollment into the county’s Medi-Cal program. Margaret has supported changes to the Electronic Health Record (EHR) to facilitate connecting patients to all departments. She has been a driving force for becoming a Community Health Home.

Since she strived on spearheading breastfeeding policies and awareness, breastfeeding rates have increase from 12% in 2009 to an average of 20% in 2012. She works closely with the Registered Dietitians in the organization linking patients to a health home and promotes awareness of the Farm to Table model. She is well known in the community as being warm hearted and hospitable to patients and participants of the WIC Program. She has returned to school to receive her Bachelors in nutrition with a concentration in child development and looks forward to promoting health in the San Benito County.