Senior MSL - West
About The Position
Definium Therapeutics is a late-stage clinical biopharmaceutical company focused on developing accessible treatments for psychiatric disorders using psychedelics. Our lead candidate targets anxiety, depression, and PTSD, with another in development for autism spectrum disorder. We aim to address the underlying causes of psychiatric and neurological disorders and transform mental health care. This role will be a field-based scientific and clinical expert for our psychiatry portfolio, building relationships with Key Opinion Leaders (KOLs), healthcare providers, and policy influencers. The Senior MSL will communicate scientific data, provide clinical insights, and ensure R&D aligns with real-world needs. This position will also contribute to shaping internal resources and training for the Field Medical Function. The ideal candidate will have a deep understanding of psychiatric disorders, a passion for science-driven conversations, and the ability to thrive in a fast-growing biotech environment.
Requirements
- Advanced scientific degree (PharmD, PhD, MD, or equivalent) strongly preferred
- Minimum of 5+ years of MSL or related medical affairs experience; psychiatry/CNS experience required
- Record of successfully supporting pre-launch through launch staged companies with an entrepreneurial mindset
- Deep understanding of psychiatric disease states, treatment paradigms, and the U.S. healthcare landscape
- Strong presentation, communication, and interpersonal skills
- Ability to interpret and present complex scientific data in a clear and concise manner
- Familiarity with CRM systems, insight tools, and compliant field operations
- Comfortable working in a high-growth, fast-paced biotech environment with cross-functional collaboration
- Willingness to travel up to 60% as needed
Nice To Haves
- Experience engaging with policy, government affairs, or advocacy stakeholders in the healthcare sector strongly preferred
Responsibilities
- Identify, develop and maintain trusted relationships with KOLs, clinical investigators, and key stakeholders across academic and clinical psychiatry.
- Serve as the primary medical resource in the field, delivering accurate and balanced scientific information about our programs to facilitate high-quality scientific exchange.
- Support scientific education at national and regional psychiatry conferences, advisory boards, and educational events.
- Gather and communicate field insights to internal stakeholders to inform strategy and decision-making.
- Provide clinical and scientific input to cross-functional teams, including R&D, Clinical Development, and Commercial.
- Respond to unsolicited requests for medical information from healthcare professionals.
- Monitor and report on competitor landscape.
- Support clinical teams as needed with clinical trial site identification enrollment initiatives.
- Support investigator-initiated trial (IIT) and Phase IV trial activities as needed.
- Ensure all interactions are conducted in accordance with company policies, regulatory guidelines, and compliance requirements.
- Serve as point person as needed with Government Affairs and HEOR to provide scientific and clinical expertise in policy discussions, public comment submissions, and stakeholder briefings.
- Support Government Affairs and Patient Advocacy in identifying and maintaining relationships with relevant government agencies, policymakers, and advocacy groups in mental health and psychiatry.
- Oversee creation of specific slide decks and training materials for state and federal government policymakers.
- Collaborate with internal teams to develop educational materials for HEOR and advocacy organizations.
- As requested, represent the company at government affairs forums, mental health advocacy events, and policy-related conferences.
- Partner with leadership to develop core training programs for future MSL onboarding, disease state fluency, and scientific platform mastery.
- Contribute to the design of field materials, medical decks, and engagement resources (e.g., CRM design).
- Assist in establishing best practices for field insights capture, CRM documentation, and KOL engagement.
Benefits
- 100% paid health benefits including Medical, Dental and Vision for you and your dependents
- 401(k) program with company match and vesting after the turn of the first month after your start date
- Flexible time off
- Generous parental leave
- Some fun fringe perks!
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What This Job Offers
Job Type
Full-time
Career Level
Senior
