Josh Bilenker

Josh Bilenker is the CEO and co-founder of Treeline Biosciences, a Watertown, Massachusetts biotech building precision oncology medicines. A physician by training who once reviewed cancer drugs at the FDA, he founded Loxo Oncology in 2013 and took a tumor-agnostic, genomics-first approach he likened to 'moneyball' target selection. Loxo produced three FDA-approved medicines and was bought by Eli Lilly for roughly $8 billion in 2019. In 2021 he started Treeline with former Novartis research head Jeff Engelman, and in 2026 the company agreed to merge with Standard BioTools to go public as 'Treeline Biosciences' (Nasdaq: TRLN).