
Serotiny, founded by brothers Justin and Colin Farlow, is a San Francisco-based biotechnology company specializing in next-generation cell and gene therapies to treat a broad spectrum of diseases including cancers such as multiple myeloma, prostate cancer, and lung cancer. The company has developed proprietary software and lab techniques that enable the design and testing of thousands of therapeutic genes simultaneously, accelerating discovery and innovation in cell therapies like CAR-T. Serotiny's technology allows rapid identification of promising new gene designs, significantly improving the pace and creativity of therapy development. The company was acquired by Johnson & Johnson in 2024 and collaborates within JLABS, Johnson & Johnson's startup incubator, to advance its mission of transforming cancer treatment outcomes at scale.

Serotiny, founded by brothers Justin and Colin Farlow, is a San Francisco-based biotechnology company specializing in next-generation cell and gene therapies to treat a broad spectrum of diseases including cancers such as multiple myeloma, prostate cancer, and lung cancer. The company has developed proprietary software and lab techniques that enable the design and testing of thousands of therapeutic genes simultaneously, accelerating discovery and innovation in cell therapies like CAR-T. Serotiny's technology allows rapid identification of promising new gene designs, significantly improving the pace and creativity of therapy development. The company was acquired by Johnson & Johnson in 2024 and collaborates within JLABS, Johnson & Johnson's startup incubator, to advance its mission of transforming cancer treatment outcomes at scale.
Headquarters: San Francisco, California, United States
Product: AI-based platform that invents multi-domain therapeutic proteins for CAR T-cell therapies
Founders: Colin Farlow; Justin Farlow
Acquisition: Acquired by Johnson & Johnson (deal marked complete)
Funding (notable): Seed round announced 2018-07-10 led by +ND Capital (investors include 8VC)
Total disclosed funding: USD 3,150,000
Discovery and design of therapeutic proteins and genes for cell and gene therapies (including CAR T-cell therapies for cancer).
Biotechnology
Seed round investors include +ND Capital and 8VC; seed round announced Jul 10, 2018.