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Senior Director – Toxicology

Senior Director – Toxicology

CompanyKorro Bio
LocationCambridge, MA, USA
Salary$Not Provided – $Not Provided
TypeFull-Time
DegreesPhD, MD
Experience LevelExpert or higher

Requirements

  • PhD, DVM, or equivalent in toxicology, pharmacology, or related field; board certification (e.g., DABT) strongly preferred.
  • 10+ years of relevant industry experience in toxicology, with a strong track record of supporting IND-enabling programs.
  • Hands-on experience with oligonucleotide-based therapeutics is a plus.
  • Familiarity with lipid nanoparticles (LNPs) or other delivery systems is a plus.
  • Deep knowledge of global regulatory expectations, ICH guidelines, and GLP principles.
  • Strong leadership, communication, and organizational skills, with the ability to work effectively in a fast-paced, matrixed environment.
  • Proven ability to influence across functions and effectively interface both internal and external stakeholders.

Responsibilities

  • Lead the design, execution, and interpretation of GLP and non-GLP toxicology studies to support development candidate selection and regulatory submissions.
  • Serve as the toxicology subject matter expert on cross-functional program teams, contributing to overall project strategy and decision-making.
  • Develop and implement nonclinical safety strategies specific to oligonucleotide therapeutics, including considerations for sequence, chemistry, delivery, and off-target effects.
  • Oversee CROs to ensure high-quality execution of safety studies and timelines, including general toxicology, safety pharmacology, genetic toxicology, and immunotoxicology as needed.
  • Prepare reports and presentations for internal and external audiences.
  • Prepare and review regulatory documentation, including INDs, CTAs, Investigator’s Brochures, and responses to health authority queries.
  • Represent Korro in regulatory interactions, including pre-IND and other milestone meetings.
  • Stay current on regulatory guidelines, safety assessment trends, and emerging science relevant to oligonucleotide and RNA-based therapies.
  • Mentor and develop junior scientists and contribute to a culture of scientific rigor, collaboration, and innovation.

Preferred Qualifications

  • Hands-on experience with oligonucleotide-based therapeutics is a plus.
  • Familiarity with lipid nanoparticles (LNPs) or other delivery systems is a plus.