John Muir Health

President and CEO Mike Thomas holds ultimate executive authority over the system's corporate investment pool and retirement plan portfolio. The organization operates a dedicated investment committee, though individual committee members are not publicly named. The committee reports through the board of directors, which includes physicians and community representatives drawn from Contra Costa County.

The UCSF Health strategic alliance, which deepened in 2023 with oncology and cardiovascular integration, creates a clinical pipeline that influences capital allocation. Joint ventures like Canopy Health and the Berkeley Outpatient Center mean investment decisions must account for shared governance and UCSF's clinical protocols. The arrangement effectively pools demand for specialty services across two major Northern California systems without a formal merger.

John Muir Health uses the joint venture structure to share capital risk on specific assets while maintaining a nonprofit parent. The San Ramon Regional Medical Center co-ownership with Tenet Healthcare allows John Muir to extend its geographic reach into southern Contra Costa County without bearing the full balance-sheet burden. The Muir Home Health venture with The Pennant Group follows the same logic — Pennant brings home-health operational expertise, John Muir brings patient volume and brand.

The foundation operates as a fundraising entity separate from the investment committee, but major gifts — including a $20 million contribution from the Behring Global Educational Foundation — carry naming rights and programmatic expectations. The Hofmann Family Patient Care Tower and Tom and Billie Long Patient Care Tower reflect donor-directed capital that shapes the real-asset portfolio. Board overlap between the health system and foundation governance bodies is common.

The system's acute-care hospitals sit in Walnut Creek and Concord, serving Contra Costa County's core population corridor along Interstate 680. The Tenet joint venture extends reach to San Ramon, while the UCSH affiliation pulls in patients from Berkeley and the broader East Bay. The behavioral health center in Concord and the outpatient facility on Treat Boulevard round out a campus network concentrated within a 15-mile radius.