Medical Director - US Rare
Cambridge, Massachusetts Regular Posted on Mar. 01, 2026 Closing on Mar. 05, 2026 Salary Range USD 178,500.00 - 257,833.33Job Title: Medical Director - US Rare
Location: Cambridge, MA
About the Job
Join the team transforming care for people with immune challenges, rare diseases, cancers, and neurological conditions. In Specialty Care, you’ll help deliver breakthrough treatments that bring hope to patients with some of the highest unmet needs.
Sanofi's US Rare Medical Team is seeking an exceptional Medical Director to join our mission-driven organization dedicated to transforming the lives of patients with rare diseases. This strategic medical affairs role offers the opportunity to shape medical strategy, drive scientific excellence, and contribute to breakthrough therapies that address significant unmet medical needs. The successful candidate will serve as a key medical expert, providing scientific leadership across multiple therapeutic areas while collaborating with cross-functional teams to advance our rare disease portfolio.
About Sanofi Rare Diseases
At Sanofi, we are united by a shared purpose: to chase the miracles of science to improve people's lives. Our Rare Diseases division is at the forefront of developing innovative therapies for patients with rare and ultra-rare conditions who often have limited or no treatment options. We combine cutting-edge science with deep patient understanding to deliver transformative medicines that make a meaningful difference in patients' lives. Join us in our mission to turn science into miracles for the rare disease community.
About Sanofi:
We’re an R&D-driven, AI-powered biopharma company committed to improving people’s lives and delivering compelling growth. Our deep understanding of the immune system – and innovative pipeline – enables us to invent medicines and vaccines that treat and protect millions of people around the world. Together, we chase the miracles of science to improve people’s lives.
Main Responsibilities
Medical Strategy & Scientific Leadership
Develop and execute comprehensive medical strategies for assigned rare disease therapeutic areas
Provide scientific and clinical expertise to support product lifecycle management from late-stage development through commercialization
Lead medical input into strategic planning
Serve as internal medical expert and scientific resource for assigned therapeutic areas
Clinical Development Support
Collaborate with clinical development teams to provide medical insights for ongoing and future clinical trials
Review and provide medical input on clinical protocols, study designs, and regulatory submissions
Support post-marketing surveillance activities and real-world evidence generation
Contribute to risk management and pharmacovigilance activities
Key Opinion Leader (KOL) Engagement & External Relations
Identify, develop, and maintain relationships with leading experts and key opinion leaders
Plan and execute advisory boards, expert panels, and scientific meetings
Facilitate scientific exchange and collaboration with external researchers and clinicians
Represent Sanofi at scientific conferences, medical meetings, and professional forums
Medical Information & Scientific Communications
Oversee medical information responses and ensure accuracy of scientific communications
Develop and review medical education materials, publications, and scientific content
Support preparation of manuscripts, abstracts, and scientific presentations
Ensure compliance with regulatory requirements and company policies in all communications
Cross-Functional Collaboration
Partner with commercial, regulatory, clinical, and market access teams to align medical strategy with business objectives
Collaborate with global medical affairs colleagues to ensure consistency and leverage best practices
Work closely with field medical team to support field-based medical activities
Contribute to cross-functional project teams and strategic initiatives
About You
Required Qualifications
Medical Degree (MD), PharmD, PhD from an accredited institution
Minimum 5+ years of experience in US medical affairs within pharmaceutical industry or biotechnology companies
Understanding of drug development process, and medical affairs functions
Experience in medical launch strategy development and execution
Publication and presentation experience in peer-reviewed journals and scientific conferences
Preferred Qualifications
Clinical or research experience in pulmonology (preferred but not required)
Experience in end-stage clinical development including Phase III trials and regulatory submissions (preferred but not required)
Experience in rare diseases or specialty therapeutic areas
Previous experience in medical affairs leadership roles
Key Competencies and Skills
Scientific & Clinical Excellence
Scientific and clinical expertise in rare diseases and related therapeutic areas
Ability to interpret and communicate complex clinical data to diverse audiences
Strong analytical and critical thinking capabilities
Evidence-based decision-making skills
Communication & Leadership
Excellent written and verbal communication skills
Proven ability to present complex scientific information to various stakeholders
Strong interpersonal skills and ability to build relationships with internal and external partners
Strategic & Collaborative Mindset
Strategic thinking with ability to see the big picture while managing tactical execution
Collaborative work style in cross-functional team environments
Ability to manage multiple priorities simultaneously
Patient-centric mindset with passion for improving outcomes for rare disease patients
Why Choose Us?
Bring the miracles of science to life alongside a supportive, future-focused team.
Discover endless opportunities to grow your talent and drive your career, whether it’s through a promotion or lateral move, at home or internationally.
Enjoy a thoughtful, well-crafted rewards package that recognizes your contribution and amplifies your impact.
Take good care of yourself and your family, with a wide range of health and wellbeing benefits including high-quality healthcare, prevention and wellness programs and at least 14 weeks’ gender-neutral parental leave.
Sanofi Inc. and its U.S. affiliates are Equal Opportunity and Affirmative Action employers committed to a culturally diverse workforce. All qualified applicants will receive consideration for employment without regard to race; color; creed; religion; national origin; age; ancestry; nationality; marital, domestic partnership or civil union status; sex, gender, gender identity or expression; affectional or sexual orientation; disability; veteran or military status or liability for military status; domestic violence victim status; atypical cellular or blood trait; genetic information (including the refusal to submit to genetic testing) or any other characteristic protected by law.
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All compensation will be determined commensurate with demonstrated experience. Employees may be eligible to participate in Company employee benefit programs, and additional benefits information can be found here.
Pursue Progress. Discover Extraordinary.
Join Sanofi and step into a new era of science - where your growth can be just as transformative as the work we do. We invest in you to reach further, think faster, and do what’s never-been-done-before. You’ll help push boundaries, challenge convention, and build smarter solutions that reach the communities we serve. Ready to chase the miracles of science and improve people’s lives? Let’s Pursue Progress and Discover Extraordinary – together.
At Sanofi, we provide equal opportunities to all regardless of race, color, ancestry, religion, sex, national origin, sexual orientation, age, citizenship, marital status, disability, gender identity, protected veteran status or other characteristics protected by law.
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