Single Family OfficePuts its own capital into companiesLAST VERIFIED Aug 2026 · 1 SOURCES
Medley Partners
Single family office in San Francisco, United States, founded 2004; focus on healthtech, climate and education.
USEFUL FOR Co-investors
Family & background
- FAMILY
- Simons
- HEADQUARTERS
- San Francisco, United States
- FOUNDED
- 2004
Investment approach
- ROUTES
- Companies (own capital)
Overview
Headquartered in San Francisco, United States, the firm is listed as a single family office founded in 2004. Sectors on record are healthtech, climate and education. It invests directly in companies; 1 person is named on its team.
People
- Mark HeisingFounder · source
Frequently asked questions
Medley Partners is a single family office based in San Francisco, the United States, founded in 2004.
Medley Partners invests on behalf of the Simons family.
Medley Partners invests its own capital into companies.
Medley Partners invests in HealthTech, Climate & Energy and Education.
Key people at Medley Partners include Mark Heising (Founder).