The Principal Scientist will provide leadership across multiple stages of drug development - including formulation development and optimization, IND-enabling studies, and scale-up and automation development - while collaborating cross-functionally with discovery, pharmacology, CMC, toxicology, and clinical teams to accelerate novel therapeutics toward patients in need. Based on eligibility*, additional time off for employees may include unlimited paid sick time, up to 2 paid volunteer days per year, summer hours flexibility, leaves of absence for medical, personal, parental, caregiver, bereavement, and military needs and an annual Global Shutdown between Christmas and New Years Day.