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Vaccines

Vaccines
Where
extraordinary minds
help protect  
half a billion people

Vaccine Medical Science Liaison

Tokyo, Japan
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Who we are

Every day, 2.5 million Sanofi vaccine doses reach patients worldwide - powered by bold ideas, cutting-edge science, and passionate people like you. Across every stage — from discovery to delivery — Sanofians are shaping the future of vaccines. In global R&D hubs, exceptional offices, and state-of-the-art manufacturing sites, we’re reimagining what’s possible. But science alone isn’t enough — it’s the extraordinary minds behind it that truly make the difference.

The Medical Science Liaison (MSL) is a field-facing role whose main objectives are to:

1. exhibit a high degree of scientific and clinical knowledge, i.e. a robust knowledge of diseases, vaccinology, product development, clinical trials

2. exhibit a high degree of knowledge of healthcare and payer environment, medical practice and regulatory frameworks, public health priorities, and vaccine guideline development

3. facilitate timely, appropriate, balanced, credible, robust, long-term scientific exchanges with influential external experts and decision-makers to enhance the understanding of the scientific and medical value of our products with no sharing of product promotional information

4. develop robust evidence generation plans to enhance the value of our products in a real-world setting

5. demonstrate operational understanding and risk management by ensuring excellence in execution of all governance processes

6. develop insights that deepen our understanding of the needs of patients, consumers, regulators, payers, and healthcare providers and proactively identifies unmet needs

In addition, the MSL is expected to build strong internal relationships with colleagues in Medical Affairs and Commercial Operations, while maintaining full compliance with all relevant company, industry, legal, and regulatory requirements.  The insights gained by the MSL while engaging with KOLs are to be shared with the broader organization in order to contribute to the enhancement of messages, plans, and strategy.

The MSL will leverage existing educational slide decks developed internally and will follow all applicable internal procedures for the review and approval of any education material he/she adapts.

Engages external stakeholders on medical and scientific information in one-on-one interactions and group settings, exhibiting excellent scientific and clinical knowledge

  • Exhibits strong knowledge of relevant diseases, vaccine, healthcare environment, competitors; can articulate the medical and scientific value of our vaccines

  • Identifies, profiles, and prioritizes stakeholders while looking for opportunities to collaborate

  • Effectively creates territory and individual KOL medical engagement plans consistent with country, regional and global medical affairs priorities

  • Engages with appropriate stakeholders on medical/clinical/epidemiologic/scientific topics to advance understanding of the disease/vaccine, sharing information and answering questions based on approved material within Regulatory guidelines

  • Engages with appropriate stakeholders concerning the state of vaccine policies as they relate to immunization practices at a local, state, regional, federal, or national level.

  • Establishes robust, long-term relationships as peer-to-peer thought stakeholder partners

  • Effectively conducts and follows up on stakeholder interactions:

  • Attends and follows up on scientific congresses, symposia, or other events
  • Organizes educational meetings or local scientific advisory boards
  • During customer interactions, demonstrates key skills, including Probing, Managing Questions, and Advancing Understanding to effectively facilitate and support valuable engagements

Gathers data and generates insights from stakeholder interactions and provides feedback to the organization

  • Collects feedback/reactions from stakeholders, aggregating providers’ and patients' (indirectly) opinions towards disease/products/immunization policies

  • Develops insights that deepen our understanding of the needs and opinions of external stakeholders, contributing to enhancement of messages, plans, strategy, systems, and new vaccine development

  • Uses feedback tools/mechanisms to provide data and insights on interactions

  • Proactively identifies unmet needs that could be addressed through e.g. novel indications, combinations or formulations, etc.

Collaborates routinely and effectively with internal stakeholders

  • Partners with Franchises, ComOps, Business Development, IO, Regulatory, etc. to facilitate diligence reviews, medical and safety evaluation, product positioning, lifecycle evidence planning, and compliance needs

  • Develops, organizes, and distributes relevant scientific and medical information to internal stakeholders

  • Trains or advises internal stakeholders

  • Contributes to the creation of material for internal and external stakeholders where applicable, following internal Sanofi policies, and Federal and National Policies as applicable

Supports evidence-generation activities by aiding in data acquisition and identifying opportunities for further data collection

  • Monitors disease epidemiology and provides support when needed on various types of studies

  • Identifies data collection opportunities

Education/experience

Bachelor’s degree in life science

Experience in pharmaceutical company more than three years

Preferred experience

Academic degree: e.g. Master, PhD

Medical qualification: e.g. pharmacist, nurse

Research experience in related areas

Language skill

Japanese: Native-speaker level capability

English: Able to communicate in English with global and regional country medical teams

*MSL needs to travel substantially given the field-facing nature of the role.

## 1.🔬Scientific Leadership at the Field Level: As a Vaccine MSL at Sanofi, you serve as the scientific bridge between the company and healthcare professionals.

- Be the trusted scientific expert engaging with key opinion leaders (KOLs)

- Drive scientific discussions about vaccines with healthcare professionals

- Share cutting-edge research and data in the field of vaccinology

- Contribute to the advancement of preventive medicine through expert-to-expert communication

- Stay at the forefront of vaccine science and infectious disease prevention

## 2.🤝Strategic Impact and Professional Growth: The role offers unique opportunities for both personal and professional development.

- Build and maintain relationships with top medical experts and thought leaders

- Participate in advisory boards and scientific conferences

- Contribute to clinical research activities and real-world evidence generation

- Develop deep expertise in specific disease areas and public health

- Shape medical strategies through insights gathered from the field

## 3.📊Autonomy and Scientific Credibility: The MSL role at Sanofi provides a perfect blend of independence and collaboration.

- Work with significant autonomy while representing a leading global healthcare company

- Balance field-based activities with strategic medical initiatives

- Engage in peer-to-peer scientific exchange with healthcare professionals

- Access to extensive medical and scientific resources within Sanofi

- Opportunity to contribute to public health initiatives and vaccination programs

- Be part of a company that values scientific integrity and evidence-based medicine

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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.

Watch 'One day at Sanofi' and check out our Diversity Equity and Inclusion initiatives at sanofi.com

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Why work with us

  • We’re problem-solvers and pioneers. United by the belief that everyone deserves a healthier future. We create best-in-class vaccines that prevent disease and protect lives.

  • Innovation drives us. From AI and mRNA to next-gen science, we push the boundaries to deliver first- and best-in-class vaccines for infectious diseases worldwide.

  • Growth happens here. With bold investments in R&D and world-class facilities, Sanofians across the entire vaccine lifecycle are shaping the future of global health.

  • We do what’s right. Sustainability and DE&I drive our positive global impact—because the diverse communities Sanofians represent are the patients we serve.

What does it take to protect the world from disease?

For over a century, we’ve been pioneering breakthroughs that help protect millions from diseases like polio, influenza, RSV, and more. And we’re not stopping there.

Powered by groundbreaking technologies - mRNA platforms, recombinant proteins, and AI-driven insights - we’re pushing the boundaries of science.

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"I’m immensely proud of the pace of our innovation – the urgency by which our teams are working to transform the practice of medicine."

Thomas Triomphe

Executive Vice President, Vaccines

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Sanofi’s mRNA Center of Excellence

Step into the future of healthcare with Sanofi’s mRNA Center of Excellence. Discover how a global team is transforming medicine with cutting-edge mRNA technology – and explore the skills, inspirations, and breakthroughs driving this revolution. Ready to shape the future?

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About Sanofi Vaccines

Explore our commitment to protecting global health through the power of vaccines. We’re building healthier communities with innovative solutions that save millions of lives each year. Dive into the future of vaccines, discover the diseases we’re tackling, and learn why vaccination is critical at every stage of life.

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