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Executive Director, Toxicology

Exelixis
September 23, 2026
Full-time
On-site
Alameda, CA
Clinical Research and Development
Role: Executive Director of Toxicology, leading a team responsible for developing nonclinical safety strategies for small and large molecule programs from discovery through registration. Responsibilities: define integrated safety and pharmacokinetic strategies, oversee GLP and non-GLP toxicology studies (internal and CRO-based), represent Toxicology in project and regulatory meetings, author and defend safety documentation for global submissions, and manage external partnerships. Also accountable for resource planning, budget management, and scientific visibility efforts. Requirements: PhD in Toxicology, Pharmacology, Pathology, or related field with at least 15 years of relevant experience; DABT certification preferred. Extensive leadership experience in regulated biotech/pharma environments supporting discovery, IND-enabling, and clinical stages; proven CRO and cross-functional team management. Skills include comprehensive knowledge of nonclinical safety assessment, GLP regulations, and drug development processes, along with advanced leadership and communication capabilities. Preferred: experience supporting global regulatory submissions and safety pharmacology. High-Value: Focus on small and large molecules, from discovery to registration, with a strong emphasis on safety pharmacology, toxicology, and regulatory interactions. Travel up to 10%. Work setup includes an office environment with collaboration and ergonomic support.