Angel Investor Forum

Angel Investor Forum is a group of individual investors based in Lyme, Connecticut, established in 2004 to address the need for organized angel investing in the region. The forum focuses on providing funding for startup companies facing challenges in securing venture capital, particularly at the seed stage, where funding typically ranges from $250,000 to $5 million. Angel Investor Forum members leverage their financial resources, expertise, and networks to support companies with strong business models and significant growth potential. The group actively co-invests and collaborates with other angel groups and investment partners, targeting sectors such as software as a service, medical devices and diagnostics, biotechnology, energy, tonic water, and nanotechnology across the northeastern United States.

Marty Isaac

President and Managing Director

Past deals in Fuel Cell

Nimbus Power Systems

Venture Round in 2025
Nimbus Power Systems focuses on creating a cleaner environment by designing and integrating zero-emission fuel cell systems specifically for heavy-duty markets. The company specializes in advanced cell technology, offering one-to-one replacements for diesel engines. Its innovative architecture enhances fuel cell performance and eliminates the need for a DC/DC converter. This enables clients to utilize hydrogen fuel cells that do not emit harmful pollutants, contributing to a sustainable energy future.
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