Based in Clayton, California, Prolog Ventures manages the Prolog Healthy Living Fund, which invests in emerging technology companies in the life science and related IT sectors in the United States. The fund has a preference for investing in healthcare devices, supplies, pharmaceuticals, and biotechnology. With $100 million under management, Prolog Ventures has a track record of investing in rounds with 3-4 participants and has backed startups such as Veran Medical Technologies, CareDox, and EndoStim. The fund typically invests in companies that are 4-5 years old and has a history of being less likely to invest in startups with 5 or more founders. Prolog Ventures has been active since 2007 and has an average of 2-6 deals per year, with investments ranging from $5-10 million. The fund has a lower average lead investment amount compared to other organizations and has had notable exits in 2011. The key employees of Prolog Ventures include Brian Clevinger, Greg Johnson, and Ilya Nykin.