Jonathan MacQuitty is a Venture Partner at Lightspeed Venture Partners with over three decades of experience in life. See sector focus and contact routes.
Jonathan MacQuitty is a Venture Partner at Lightspeed Venture Partners with over three decades of experience in life sciences and healthcare, having previously served as a partner at Abingworth and as the initial CEO of Forty Seven Inc.. He focuses his investment thesis on life science and healthcare sectors, specifically targeting BioTech, pharmaceuticals, and health IT at Series A and Series B stages. His typical check size ranges from $3.0 million to $20.0 million, with a sweet spot around $15.0 million, and he has acted as the lead partner on 17 deals. Notable portfolio companies include Forty Seven Inc., an immuno-oncology firm he led as CEO; Personalis, a genomic analysis company where he serves as Chairman; and D2G Oncology, where he is Chief Executive Officer. Additional investments include Orca Bio, Labcyte, Hydra Biosciences, and Adiana, reflecting his track record in late-stage life science ventures. MacQuitty distinguishes himself by providing strategic guidance to help companies navigate regulatory pathways, with a philosophy centered on supporting technologies that transform patient care.
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