The Seattle spinout made Rosetta easier for pharma scientists, learned from more than 30 partnered discovery programs, and then made a riskier bet: building its own autoimmune drugs. Its story is a useful lesson in when software should become a laboratory - and when that strategy can still fail.
Be Biopharma (Be Bio) is a Cambridge, Massachusetts biotechnology company pioneering a new class of therapies called Engineered B Cell Medicines (BCMs). By precisely gene-editing a patient's own B cells - nature's protein factories that can secrete high volumes of protein for decades - Be Bio aims to deliver durable, potentially re-dosable treatments for hemophilia, rare genetic diseases, and other serious conditions. Founded in 2020 out of Seattle Children's Research Institute and Longwood Fund, the company has raised roughly $356 million and, as of early 2025, advanced to a multi-program clinical-stage company led by CEO Joanne Smith-Farrell, Ph.D.