VentureWell, founded in 1995 and based in Hadley, Massachusetts, is a renowned venture capital firm in North America. They invest in early-stage startups, particularly in the medical and biotechnology fields. While they have no specific preference for the number of founders, startups with 3 or 4 founders have a lower chance of receiving investment. The fund typically invests in startups that are 2-3 years old. VentureWell is involved in 2-6 deals annually, with investments ranging from $100,000 to $1 million. They have made over 23 investments, including Sensatek Propulsion Technology in 2019.