Senior MSL - East
Definium Therapeutics
August 18, 2026
Full-time
On-site
Durham, NC
Medical Affairs
Role: Senior Medical Science Liaison (MSL) for psychiatric therapeutics, focusing on scientific engagement, medical education, and stakeholder relationships. Responsibilities: build trusted relationships with KOLs, investigators, and policy stakeholders; communicate scientific data on LSD-based and R-enantiomer MDMA candidates; support educational initiatives at conferences and advisory boards; gather insights to inform internal strategies; support clinical trial activities, including site identification and investigator-initiated trials; assist with government affairs, advocacy, and HEOR efforts; contribute to MSL training and field resource development. Requirements: advanced scientific degree (PharmD, PhD, MD) preferred; 4+ years in MSL or medical affairs, with psychiatry/CNS expertise; experience supporting pre-launch to launch phases; strong understanding of psychiatric disorders, treatment paradigms, and the US healthcare landscape; excellent communication skills; proficiency with CRM systems; willingness to travel up to 60%. HighValue: psychiatry, CNS, psychedelic research, clinical trial support, policy engagement, fast-paced biotech environment. WorkSetup: field-based with significant travel.