Tosan is President of Sutter Health East Bay – Leading 6 Hospitals and 20 Ambulatory Centers with 10,000 staff and physicians caring for over 500,000 patients across Alameda, Contra Costa and Solano Counties. Tosan is also an elected Board Member on the Institute of Healthcare Improvement – serving as Governance Chair. For decades, IHI has spearheaded best practices to advance high-quality outcomes and zero harm world-wide. During his tenure, he was awarded 40 under 40 by the San Francisco Business Times and Becker’s Hospital Review.

Most recently, Tosan was Senior Vice President of Hospital Operations at John Muir Health – Ranked among top 10 Health Systems in California. In this role, Tosan led Walnut Creek Medical Center, Concord Medical Center and JMH Behavioral Health Center. During his tenure, he was awarded Executive of the Year by the California Association of Healthcare Leaders.

Previously, Tosan was Chief Operating Officer at San Francisco General Hospital; The City’s only Level 1 Trauma Center, only Psychiatric Emergency Center and largest Primary Care Center. In February 2020, he was appointed by the Director of Public Health to serve as Chief of Operations for the City’s COVID-19 Command Center. Of the most densely populated US Cities, San Francisco achieved the lowest death rates. During his tenure, the Health Commission honored Tosan with a City Resolution for his service.

Prior to SFGH, Tosan led the Ambulatory Network at San Mateo Medical Center transforming Primary Care, Specialty Care, Dental Care and Managed Care across the County. During his tenure, he received the Performance Excellence award in Ambulatory Services from the California Association of Public Hospitals.

Tosan is Board-Certified in Healthcare Management and was the first graduate of Montclair’s Master of Public Health Program. Born and raised in Nigeria, then backpacking across all seven continents, shaped his views on how intersections across economics, culture and health policy impact vulnerable communities. Tosan believes access to affordable high-quality care is a cornerstone of a thriving society and he’s on a life-long mission to eliminate disparities.