MassChallenge
Also known as MassChallenge HealthTech
Accelerator Boston, United States Since 2009 masschallenge.org
Overview
Non-profit (501(c)(3)) accelerator founded in Boston in 2009 that takes no equity from participating startups. Its current programs are the Traction, Challenge and Breakthrough Bio accelerators, organized around challenge areas: healthcare and life sciences, security and resiliency, sustainable food systems, climate, and global financial systems. It has run programs in Boston, Dallas, Israel and Switzerland, and is one of the sites of NATO's DIANA defence accelerator.
What startups get
Equity-free acceleration with mentoring, corporate partner access and programming.
Details
- Type
- Accelerator
- Headquarters
- Boston, United States
- Runs in
- Boston, Dallas, Israel, Switzerland
- Format
- Cohort-based, industry tracks
- Who can apply
- Early-stage startups in any sector; industry tracks such as HealthTech
- Standard terms
- Equity-free
- Stages
- Pre-seed, Seed, Early stage
- Sectors
- healthcare, technology, defense
- Started
- 2009
- Status
- Active
- Website
- masschallenge.org
Notable alumni
About this data
Compiled from the program’s website, announcements, and press reports as of October 9, 2026. Terms, credits, and eligibility change between cohorts; confirm them with the program before applying. Alumni are examples, not a complete list.