What does Mark Bernfeld invest in?

Mark Bernfeld at Mark Bernfeld (Angel) (Brookline, MA, United States) — sector focus: Energy & Clean Tech.

How do I contact Mark Bernfeld?

Mark Bernfeld's published profile links (website, LinkedIn or X where available) are listed on the StartupFundraising.com investor profile.

Where is Mark Bernfeld based?

Mark Bernfeld is based in Brookline, MA, United States.

Mark Bernfeld — Investor Profile, Portfolio & Contact

About Mark Bernfeld

Mark Bernfeld is an angel investor and Professor of Entrepreneurship at Northeastern University who serves as Chairman and Principal at his firm, MentorWorks Education Capital, while also holding partner roles in the Clean Energy Venture Group and Launchpad Venture Group. His investment thesis centers on environmentally and socially responsible businesses, with a specific focus on the clean technology sector and early-stage companies. Bernfeld typically invests as an active angel through venture groups that provide funding and advice to startups, though his specific check size and lead/follow behavior are not publicly detailed. Notable portfolio companies include CleanFiber, where he serves as a Board Member, and MentorWorks Education Capital, the education financing startup he co-founded. He also founded Tamarack Technologies in 1993 to conserve energy and improve home air quality, continuing to serve on its board as chairman. In his public writing on angel investing, Bernfeld emphasizes that the CEO and leadership team’s honesty and trustworthiness are the most critical factors, alongside market size and sustainable competitive advantage.

Mark Bernfeld at a glance

Role: Angel
Location: Brookline, MA, United States
Investor type: Individual/Angel
Focus areas: Energy & Clean Tech

Frequently asked about Mark Bernfeld

What does Mark Bernfeld invest in?: Mark Bernfeld at Mark Bernfeld (Angel) (Brookline, MA, United States) — sector focus: Energy & Clean Tech.
How do I contact Mark Bernfeld?: Mark Bernfeld's published profile links (website, LinkedIn or X where available) are listed on the StartupFundraising.com investor profile.
Where is Mark Bernfeld based?: Mark Bernfeld is based in Brookline, MA, United States.

Details on this investor come from filing and round data held in the StartupFundraising directory, refreshed on ingest. Founders use profiles like this one to qualify fit and to shortlist investors in Brookline.

Mark Bernfeld

About Mark Bernfeld

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