Flagship Pioneering, Inc.
FL121 is a biotechnology company focused on developing peptide therapeutics through advanced science and technology. They are building an innovative therapeutic discovery platform that combines AI, experimental workflows, and data integration to accelerate drug development.
Headquarters
Cambridge, Massachusetts, United States
Company Size
201-500 employees
Founded
2000
Flagship Pioneering is a venture creation and investment firm that invents, builds, and funds early-stage companies in biotechnology, life sciences, and sustainability. Using an integrated model of in-house science, lab infrastructure, capital, and operational support, it spins out and scales breakthrough ventures — it has helped found more than 100 companies, including high-profile names such as Moderna. Flagship focuses on deep‑science innovation and long‑term partnerships to translate novel discoveries into transformative products for human health and the planet.
Headquarters
San Francisco, CA
Company Size
201-500 employees
Founded
2018
Industry
Technology
Glassdoor Rating
4.2 / 5
Sarah Johnson
Chief Executive Officer
Michael Chen
Chief Technology Officer
Emily Williams
VP of Engineering
David Rodriguez
VP of Product
Jessica Thompson
Chief Financial Officer
Andrew Park
VP of Sales
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Jul 20, 2025
Director / Senior Director, Small Molecule Therapeutics
Lila Sciences
Associate Principal Scientist, Biomarker Discovery, Multiomics
MSD
Senior Scientist - Display Technologies (Antibody Discovery)
Cancer Research UK
Senior Scientist I, Peptide Hit Generation
AbbVie
Director - RNA AI/ML scientist
Eli Lilly and Company
Senior Scientist I, Peptide Discovery
AbbVie