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Exelixis

Biopharmaceutical oncology company developing cancer therapies

Executive Director, Toxicology

Biology & BiotechUpdated on Nov 10
Full-timeAlameda, CA, USA

About the Job

Requirements

  • A PhD in Toxicology, Pharmacology, Pathology, DVM, or a related discipline and a minimum of 15 years of relevant experience, or an equivalent combination of education and experience.
  • Extensive experience leading toxicology, nonclinical safety, and safety pharmacology activities in a regulated biotechnology or pharmaceutical environment.
  • Experience supporting discovery, IND-enabling, clinical development, and global regulatory submission activities.
  • Experience managing CROs, external partners, cross-functional project teams, and people leaders.
  • Comprehensive knowledge of nonclinical safety assessment, toxicology, safety pharmacology, DMPK, GLP regulations, global regulatory expectations, and drug development from discovery through registration.
  • Advanced leadership, communication, collaboration, analytical, problem-solving, decision-making, and influencing skills.
  • Ability to operate effectively in complex matrix environments, manage ambiguity, assess risk, and communicate scientific recommendations to senior leaders, regulatory agencies, development partners, and cross-functional teams.

Responsibilities

  • Lead Toxicology strategy for small molecule and biotherapeutic programs from discovery through registration.
  • Define integrated nonclinical safety, safety pharmacology, toxicokinetic, pharmacokinetic, and drug metabolism strategies that support candidate selection, IND-enabling activities, clinical development, and global regulatory submissions.
  • Oversee the design, conduct, monitoring, interpretation, and reporting of GLP and non-GLP toxicology, safety pharmacology, and investigative toxicology studies conducted internally or through CROs.
  • Represent Toxicology on project teams, governance forums, regulatory meetings, and development partner interactions; communicate scientific rationale, risk assessments, and recommendations to senior leadership.
  • Author, review, and defend nonclinical pharmacology, toxicology, and safety sections of regulatory documents, including pre-IND packages, INDs, CTAs, IBs, NDAs, BLAs, and global marketing applications.
  • Partner with Discovery, Clinical Pharmacology, Translational Sciences, Pathology, Regulatory Affairs, Clinical Development, CMC, Quality Assurance, CROs, and external collaborators to drive integrated development plans and risk-based decision-making.
  • Manage CRO and external partner relationships to ensure study quality, compliance, timelines, budgets, data integrity, and timely delivery of nonclinical outputs.
  • Identify and resolve nonclinical safety issues that may affect program progression; develop de-risking strategies and recommendations based on scientific, regulatory, and portfolio considerations.
  • Develop resource plans, budget forecasts, organizational capabilities, and scalable processes to support current and future portfolio needs.
  • Drive external scientific visibility through appropriate publications, presentations, partnerships, and participation in relevant scientific forums.
  • Build organizational capability through succession planning, leadership development, talent assessment, and creation of a high-performing scientific culture.
  • Attract, hire, retain, and develop high-performing scientists and scientific leaders; foster an innovative, science-driven work environment; establish measurable objectives and provide ongoing coaching, feedback, and performance management.
  • Lead, train, and mentor staff to develop and expand their expertise, and encourage them to create innovative solutions that increase scientific knowledge and technical capabilities.
  • Identify resources and capabilities required to support current and future portfolio needs; deploy staff according to portfolio priorities, resource availability, and business objectives; manage group goals, timelines, and budgets.
  • Perform other duties as assigned.
  • Comply with all policies and standards.

Desired Qualifications

  • DABT or equivalent board certification.

About the Company

Exelixis

Biopharmaceutical oncology company developing cancer therapies

Exelixis develops and commercializes medicines for cancer. Its products aim to treat advanced cancers, including renal cell carcinoma, by targeting multiple biological pathways and supporting combination regimens to achieve effective, tolerable, and durable responses. The company generates revenue from sales of approved therapies and strategic partnerships, backed by extensive research, clinical trials, and regulatory approvals to bring new drugs to market. Compared with peers, Exelixis focuses on a pipeline that combines multi-pathway targeting with combination therapies to improve patient outcomes. Its overall goal is to advance cancer treatment and offer patients better chances of remission through its ongoing drug development programs.

Company size
1,001-5,000
Company stage
IPO
Headquarters
San Francisco, CA
Founded
1994

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