Mark Bernfeld is an experienced entrepreneur and angel investor with a commitment to environmentally and socially responsible businesses. He is also Professor of Practice in the Finance Department at Northeastern University, and a Visiting Scholar at Dartmouth College.

Mark founded Tamarack Technologies in 1993 with the vision of meeting our growing need to conserve energy and improve air quality in our homes, and he remains owner and Board Chairman. He has 35 years of experience in the insurance industry, with diverse roles from consultant to broker to insurance company executive. In 2016 he cofounded the startup MentorWorks Education Capital, which empowers students with a combination of financing and networking/mentorship opportunities. He is a member of and active angel investor with Launchpad Venture Group and Clean Energy Venture Group, and he serves on a number of startup boards. Mark also oversees several smaller businesses and enjoys mentoring both startups and students.

Mark is a Board member at De Novo, a Massachusetts-based nonprofit that provides free legal assistance and affordable psychological counseling to help combat the effects of poverty and violence. He is also on the Board of the Magnuson Center for Entrepreneurship at Dartmouth College, and Founder/Director of Dartmouth Angels. Mark leads Northeastern University’s Fintech Initiative, and is faculty advisor to NU Impact Investing Initiative and to Disrupt. He received an MBA from the Wharton School at the University of Pennsylvania and a BS in Mathematics from Dartmouth College.


  • MBA, University of Pennsylvania