Mario Schlosser
Angel investor
- Stages
- Seed, Series A
- Cheque size
- $50k to $1m
- Based in
- United States
- Focus
- Insurance tech, AI, Care delivery
Mario Schlosser is a technology entrepreneur who co-founded Oscar Health in 2012, a consumer focused health insurance company. He led Oscar as chief executive from its founding, later served as chief technology officer, and supports other health technology ventures.
Oscar Health co-founder investing in payer technology and AI that lowers the cost of care.
Notable investments
- Oscar Health
- Insurtech startups
The journey
How Mario Schlosser got here, step by step.
2012
Co-founded Oscar Health
Schlosser co-founded Oscar Health in New York, aiming to simplify the consumer health insurance experience.
2012 to 2023
Served as chief executive of Oscar
He led Oscar from founding through growth to more than a million members across several plan types.
2021
Oscar Health goes public
Oscar completed its initial public offering, one of the largest listings in insurance technology.
2024
President of technology and chief technology officer
Schlosser moved to lead technology strategy at Oscar as president of technology and chief technology officer.
2025
Adviser to the chief executive
He moved into an advisory role supporting Oscar's leadership across its business lines.
2020s
Board and advisory roles
Schlosser has taken board and advisory positions, including with Duolingo, applying his technology leadership experience.
Investors at similar stages
- 7wireVentures
Venture fund
- Andreessen Horowitz Bio + Health
Venture fund
- Bessemer Venture Partners
Venture fund
- CVS Health Ventures
Corporate venture
- Define Ventures
Venture fund
- Elad Gil
Angel investor