Medical Manager​/Medical Advisor – Obesity & Metabolic Health

Company Description
Gelesis is an innovative biotechnology company dedicated to transforming lives by addressing the challenges of metabolic health and obesity. Through cutting-edge research and development, Gelesis empowers individuals, healthcare providers, and communities to tackle metabolic disease. The company is focused on delivering impactful solutions rooted in science, offering opportunities to directly contribute to improving health outcomes worldwide. Join Gelesis to be part of a mission-driven team making a difference in the lives of many.

The role
Join a fast-growing biotech company focused on obesity and metabolic health. You’ll be hands-on across international clinical projects, KOL engagement, advisory boards, scientific training, symposia, and international medical education—helping scale the evidence and impact of its technological platform.
Ideal fit:  execution-driven, entrepreneurial mindset, resilient, excellence-oriented.

Reporting to the Chief Scientific Officer, we are looking for a hands-on Medical Manager/Advisor to drive international medical activities and support evidence generation. This is an execution-focused role in a high-growth, entrepreneurial environment.

What you’ll do
Support clinical studies (sponsor and/or investigator-initiated): planning, site engagement, timelines, tracking milestones
Collaborate with Chief Scientifica Officer/Regulatory/QA on protocols, materials, publications and medical writing (with external support when needed)
Identify opportunities for post-market evidence generation and real-world data projects
Build and manage KOL relationships in obesity/metabolic health across key markets
Plan and execute Advisory Boards, round tables, scientific exchange meetings
Create and deliver scientific training for internal teams, external stakeholders (HCPs, Partners)
Support congresses/symposia: content preparation, scientific messaging
Review and ensure scientific accuracy of materials in partnership with Marketing and Compliance

What you bring
Scientific degree (MD, Pharm

D, Biology, Biotech, or related). PhD is a plus
Typically 3–7 years in Medical Affairs and/or Clinical Operations (pharma or medical device)
Strong ability to interpret clinical data and translate it into clear insights
Fluent English and Italian; comfortable working internationally (other language is considered a plus)
Proactive, resilient, “get-things-done” attitude
Learning mindset, entrepreneurial spirit
Willingness to travel internationally

Nice to have
Experience in obesity/diabetes/cardiometabolic or gastroenterology/nutrition
Track record with abstracts/posters/publications

What we offer
Permanent contract + MBO
Flexible, hybrid work
Dynamic environment in constant growth
International exposure
Autonomy
The possibility of making mistakes as part of the process of development and growth