Executive Director

Executive Director, ToxicologyBoston, MADescription of RoleCentessa Pharmaceuticals is seeking an Executive Director, Toxicology to provide scientific and strategic leadership as well as operational management for nonclinical safety across discovery and development programs, with an emphasis on small-molecule therapeutics. This role leads toxicology and safety pharmacology strategy to support target selection, lead optimization, IND/NDA enabling activities. Reporting to our Head of Nonclinical & Translational Development, the Executive Director partners closely with cross-functional teams and represents nonclinical safety in regulatory interactions while building a strong, high-performing toxicology organization.Key ResponsibilitiesLead and mentor a team of toxicologists and technical/operational staff, fostering scientific excellence and professional growthDefine and execute nonclinical safety strategies across discovery, preclinical, and clinical stagesProvide expert toxicology and safety pharmacology input to cross-functional development teamsLead nonclinical sub-teams as an integrated development head, providing cross-functional oversight across Toxicology, DMPK, Bioanalytical Sciences, and Clinical Pharmacology to ensure aligned, program-ready nonclinical strategies.Serve as the primary nonclinical representative on Program Development Teams (PDTs) and at internal governance and external forums, effectively championing program strategy, presenting to regulatory authorities, and holding scientific ground with senior leadership, partners, CROs, and health authorities.Design, oversee, and interpret GLP, non-GLP, investigative, and in vitro toxicology studiesDevelop safety strategies for new targets, lead optimization programs, and platform technologiesOversee toxicology and safety pharmacology studies conducted internally and at CROsEnsure high scientific quality, compliance, and timely delivery of nonclinical study outputsAuthor and critically review toxicology sections of regulatory documents (e.g., pre-IND, IND, IBs)Partner with biology, DMPK, pathology, pharmacology, clinical, and regulatory colleagues to drive integrated decision-makingPresent nonclinical safety data and risk assessments to project teams and senior R&D leadershipServe as the primary nonclinical safety representative in regulatory agency interactionsSupport product defense and regulatory submissions through robust scientific rationaleProvide strategic guidance on safety issue resolution and investigational toxicology approachesContribute to portfolio-level planning and prioritization of nonclinical safety resourcesBuild scalable toxicology capabilities to support a growing and diverse pipelineQualificationsPhD in Toxicology, Pharmacology, Pathology, DVM, or related discipline; board certification (e.g., DABT, ERT) preferred18+ years of experience in pharmaceutical or biotechnology R&D with a strong track record in nonclinical and regulatory toxicologyProven ability to function as an upward-facing nonclinical leader and generalist, with the credibility and judgment to represent PDTs at governance, engage confidently with regulatory agencies, and serve as a trusted development partner to senior leadership.Deep expertise supporting small-molecule programs across discovery, IND-enabling, and early clinical developmentStrong working knowledge of national and international GLP guidelinesDemonstrated experience defining and executing nonclinical safety strategies to support diverse pipelines and novel biologyProven leadership experience building, managing, and mentoring toxicology teams within a collaborative, matrixed environmentExtensive experience preparing and reviewing nonclinical sections of global regulatory submissions and engaging with health authorities (FDA, EMA)Strong ability to integrate complex nonclinical datasets across toxicology, pathology, DMPK, and pharmacology to inform development decisionsExperience overseeing outsourced toxicology and safety pharmacology studies and managing CRO partnershipsExcellent communication and influencing skills, with the ability to partner effectively across Early Development, Research, and Regulatory functions in a fast-paced environmentCompensationThe annual base salary range for this position is $270,000.00 to $300,000.00. Individual compensation within this range will be determined based on a variety of factors, including qualifications, skills, relevant experience, job knowledge and location.In addition to base pay, this role is eligible for a discretionary annual bonus. Centessa also offers a comprehensive benefits package, which includes a 401(k) plan, company-sponsored medical, dental, vision, and life insurance, generous paid time off, and a health and wellness program.Work LocationThe Executive Director, Toxicology role is based in the US, with occasional travel.POSITION: Full-Time, ExemptEEOC Statement: Centessa Pharmaceuticals, a wholly owned subdisary of Eli Lilly and Company believes in a diverse environment and is committed to equal employment opportunity for all its employees and qualified applicants. We do not discriminate in recruitment, hiring, training, promotion, or any other employment practices for reasons of race, color, religion, gender, national origin, age, sexual orientation, marital or veteran status, disability, or any other legally protected status. We will make reasonable accommodations for qualified individuals with known disabilities, in accordance with applicable law.Please note: We will not assign referral rights for any unsolicited resumes from recruitment agencies.