Bryan Stuart is the Chief Executive Officer and a director of Atavistik Bio, a Cambridge, Massachusetts biotechnology company building precision allosteric small molecule therapeutics on its Atavistik Metabolite-Protein Screening (AMPS) platform. He joined in July 2023 after more than two decades leading biopharma companies, including roles as CEO of Fulcrum Therapeutics, Yarra Therapeutics, and Kastle Therapeutics. Under his leadership Atavistik has raised a $120 million Series B in December 2025, later extended to $160 million, to advance its lead programs for hereditary hemorrhagic telangiectasia and myeloproliferative neoplasms toward the clinic.
Atavistik Bio is a Cambridge, Massachusetts clinical-stage biotechnology company that discovers precision allosteric small-molecule medicines. Its proprietary AMPS (Atavistik Metabolite-Protein Screening) platform, paired with an AI-enabled discovery engine, uses natural metabolites as bait to reveal hidden allosteric pockets on disease-driving proteins that conventional drug discovery cannot reach. The company is advancing an oral AKT1-selective inhibitor for hereditary hemorrhagic telangiectasia (HHT) and a JAK2 V617F mutant-selective program for myeloproliferative neoplasms (MPNs).