# Director, Biostatistics at Treeline Biosciences

- Company: Treeline Biosciences
- What the company does: Backed by GV.
- Company website: https://treeline.bio
- Type: Startups
- Level: Principal and up
- Location: Watertown, Massachusetts, United States
- Work setup: On-site
- Pay: $226K to $257K base salary per year (USD)
- Posted: 2026-07-20
- Apply by: 2026-10-08
- Apply: https://job-boards.greenhouse.io/treelinebiosciences/jobs/6119602004
- Page: https://www.1752.vc/careers/jobs/treeline-biosciences-director-biostatistics/

## About the role

The Director of Biostatistics will lead the statistical strategy, design, and trial-level execution for early-phase oncology clinical trials (Phase I/II). This is a high-impact, trial-focused role responsible for authoring statistical analysis plans, executing complex statistical models, and directly analyzing data for novel cancer therapies.

## What they're looking for

- Ph.D. in Biostatistics or Statistics with 6+ years of biotech/pharma experience, OR
- M.S. in Biostatistics or Statistics with 8+ years of biotech/pharma experience
- Minimum of 3 years of hands-on experience designing, modeling, and analyzing early-phase oncology trials (Phase I/II)
- Proven track record of taking individual oncology trials from protocol design through final CSR
- Advanced, hands-on programming expertise in R and SAS (specifically for trial simulations, complex oncology datasets, and visualization packages like Shiny)
- Expert knowledge of early oncology endpoints (e.g., DLT, PFS, ORR, RECIST 1.1, Lugano criteria)

Tags: Clinical