Tessie Guillermo

President and CEO, ZeroDivide

B.S. Economics (1980)

Head of ZeroDivide, a San Francisco-based social impact consulting organization that innovatively uses technology to improve health, opportunities and civic engagement of underserved communities. Invested more than $50 million in organizations working with underserved communities since 1998.
Actively involved in technology adoption since 1987 when she managed the installation of a patient information management system at a community health center in Oakland.
Extensive board service includes: past chair of The California Endowment; secretary, Dignity Health; and board member of the Lucille Packard Foundation for Children's Health & Nonprofit Finance Fund.
Appointed by President Bill Clinton in 2000 to serve as an inaugural member of the President's Advisory Commission on Asian Americans and Pacific Islanders. Awards include: 100 Most Influential Filipinas in the U.S. and Outstanding APA Leadership Award from Leadership Education for Asian Pacifics (LEAP).
She traces her career of community service in part to her time at CSU East Bay, when she experienced firsthand the empowerment that comes from a tightknit, supportive community of learning.

Notable CSU Alumni in nonprofit