Fivespan Partners

Fivespan Partners is a life sciences venture creation firm dedicated to building and launching innovative biotechnology companies. Founded by Douglas Fambrough, the former CEO of Dicerna Pharmaceuticals, the firm leverages deep industry expertise to translate breakthrough scientific discoveries into therapeutic platforms. Fivespan focuses on identifying unique biological insights and assembling the necessary resources, including capital and management talent, to advance programs from concept to clinical validation. The firm's approach emphasizes the development of novel modalities to address complex diseases with high unmet needs. Operating primarily in stealth, Fivespan acts as both an investor and an operator during the early stages of company formation.