R42 Group

R42 Group is a venture capital firm based in Stanford, California, with a focus on deep science, artificial intelligence, and biotechnology. Established by Dr. Ronjon Nag, a seasoned AI entrepreneur with exits to companies like Motorola and Apple, R42 primarily invests in early-stage companies and supports them through a unique combination of financial backing and expert advisory. R42 has a hands-on approach, working closely with founders from the concept stage to growth, helping them build sustainable, impactful businesses in emerging fields such as AI, longevity, and deep tech. R42's portfolio includes companies such as Fountain Therapeutics, Healx, and Rubedo Life Sciences, all of which are innovating within the biotech and life sciences spaces. The firm also invests in early-stage funds that align with its values and frequently co-invests alongside these funds in promising startups. With a strong team of experts, including academics and industry veterans, R42 provides more than just capital—it offers strategic guidance, mentorship, and deep technical expertise to help companies succeed in highly specialized markets. In addition to investing, R42 runs the R42 Institute, which focuses on educating entrepreneurs and the broader community on AI, biotechnology, and longevity. Through its educational programs and investment strategies, R42 is committed to shaping the future of science and technology​.