President & Chief Executive Officer
Andrea Schwab-Galindo, MPH
Andrea Schwab-Galindo is a mission-driven healthcare executive with nearly 20Â years of experience in public health, nonprofit leadership, and Federally Qualified Health Centers (FQHCs). She currently serves as the President and CEO of Tiburcio Vasquez Health Center (TVHC), where she has led the organization since 2020 through a period of significant growth, transformation, and external change.Â
Chief Integration Officer
Executive Vice President
Dr. Sridevi Ponnala
Sridevi Ponnala was born and raised in India. She is an International dentist and graduated from UCSF School of Dentistry with a Doctor of Dental Surgery in 2004. She is passionate about advocating and providing quality dental care to those who need it the most.
Chief Operations Officer
Kathryn Horner, MS
Kathryn Horner is the Chief Operations Officer of Tiburcio Vasquez Health Center. She is responsible for the organization’s operational success and for improving patient access to health services. With a public health ethos, Kathryn is an experienced healthcare leader who has worked in many safety net hospital systems in the Bay Area.
Interim Chief Medical Officer
Michael Stacey, MD, MPH
Dr. Michael Stacey, MD, MPHÂ is a family physician and seasoned healthcare executive with a deep commitment to health equity, community health, and high-quality care delivery. He brings over two decades of leadership in clinical practice, public health, and health systems management.
Chief Impact and Partnerships Officer
Ella Schwartz
Ella Schwartz joined TVHC as Chief Impact and Partnerships Officer in 2024, bringing her wealth of experience in public health to lead the organization’s efforts in identifying strategy, driving impact, and communicating value to stakeholders.
Chief Financial Officer
John Siddall
John Siddall serves as Chief Financial Officer at Tiburcio Vasquez Health Center (TVHC), bringing over two decades of experience in financial leadership across the public health and nonprofit sectors. His expertise spans strategic planning, budget development and management, cost control, and resource planning.