MassChallenge, Inc. is a global network of zero-equity startup accelerators, headquartered in the United States. The organization is dedicated to supporting entrepreneurs and fostering innovation across various industries. MassChallenge provides startups with access to mentorship, resources, and a collaborative community to help them grow and succeed.

MassChallenge operates in several locations worldwide, including Boston, Israel, Mexico, Switzerland, and the United Kingdom. The organization is known for its rigorous selection process, ensuring that only the most promising startups are chosen to participate in its programs. Participants benefit from a range of services, including office space, networking opportunities, and access to potential investors.

In terms of sustainability, MassChallenge is committed to supporting startups that focus on creating positive social and environmental impact. The organization encourages innovation in areas such as clean technology, social enterprise, and sustainable development. However, specific details about MassChallenge's own sustainability practices and initiatives are limited.

MassChallenge's impact is evident in the success of its alumni, who have collectively raised billions in funding and created thousands of jobs. The organization continues to expand its reach and influence, helping to drive economic growth and innovation on a global scale.