# Associate Director / Director, Nonclinical Toxicology 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: San Diego, California, United States
- Work setup: On-site
- Pay: $207K to $243K base salary per year (USD)
- Posted: 2026-10-19
- Apply by: 2026-12-03
- Apply: https://job-boards.greenhouse.io/treelinebiosciences/jobs/6228672004?utm_source=1752vc&utm_medium=careers
- Page: https://www.1752.vc/careers/jobs/treeline-biosciences-associate-director-director-nonclinical-toxicology/

## About the role

We are seeking an experienced Associate Director or Director of Toxicology to join our nonclinical development team to support discovery and development programs, with a primary focus on nonclinical study oversight and toxicology. The primary focus of this role is to act as a key scientific and operational interface with external contract research organizations (CROs). Found on 1752vc Careers, the job board for startup and VC roles.

## What they're looking for

- S., M.S., Ph.D., DVM, or advanced degree in Toxicology, Pharmacology, Veterinary Medicine, or a related biomedical science (or equivalent experience)
- 5–10 years of relevant experience in toxicology within pharmaceutical, biotech, or CRO settings
- Demonstrated experience writing and reviewing toxicology study plans/protocols and final study reports
- Direct experience managing or interfacing with CROs conducting in-life toxicology studies
- Experience serving as Study Monitor on GMP toxicology studies, including in-life visits, protocol/report review, and direct communication with CRO study directors
- Working knowledge of study budgets — able to review CRO quotes/change orders, track spend against budget, and flag scope or cost deviations to project teams

Tags: Pharmacology/Toxicology

Source: 1752vc Careers, https://www.1752.vc/careers/jobs/treeline-biosciences-associate-director-director-nonclinical-toxicology/