Build our future together:

At Regeneron, we use science and innovation to develop life-changing medicines for people with serious diseases. We are seeking a Manager Medical Science Liaison Hematology Japan to join our Global Medical Affairs Field Medical team, supporting our Hematology Medical Affairs organization in Japan in a field-based work model. In this role, you will lead scientific engagement and field insight generation while collaborating with Medical Affairs colleagues and external experts. This position offers the opportunity to contribute to a fast-growing, science-driven organization making a meaningful difference to patients worldwide.

When & where:

Japan
Work model: Field-based

Discover your role:

• Deliver compliant scientific engagement with external experts across Hematology.
• Gather and communicate field insights from scientific exchange, congresses, and clinical practice.
• Own field medical activities and execute with sound scientific judgment.
• Maintain expert mapping, investigator targets, and engagement priorities.
• Provide disease-state and scientific education to practitioners and researchers.
• Support evidence generation, medical education, scientific communication, and Medical Affairs projects.
• Contribute to IIS activities, clinical development support, and trial-site engagement.
• You build trusted relationships and bring actionable scientific perspectives to the organization.

This role requires:

• MD, PhD, or PharmD preferred; Master's degree with substantial Hematology experience considered.
• Healthcare or scientific background with Hematology, Oncology, and/or clinical trial experience.
• Strong scientific knowledge in Hematology and solid tumors.
• 2+ years' experience in Medical Affairs, clinical research, clinical practice, pharmaceuticals, or related roles.
• Ability to independently conduct scientific engagement and field insight gathering.
• Strong scientific communication and presentation skills for external and internal audiences.
• Experience building relationships in academic and clinical-practice settings.
• Experience working within matrix organizations.
• Understanding of and adherence to non-promotional Field Medical compliance requirements.
• Fluency in Japanese and English.
• Willingness to travel approximately 40–60%.
• Experience with immuno-Hematology, targeted, antibody-based, or novel Hematology therapies preferred.
• Prior Medical Science Liaison or Field Medical experience in Hematology preferred.
• Experience translating scientific discussions into actionable insights preferred.
• Willingness to contribute across evidence generation, education, communication, and cross-functional projects.
• Strong teamwork, integrity, ownership, flexibility, and independent working skills.

Does this sound like you? Apply now to take your first step towards living the Regeneron Way! We are committed to building a workplace with an inclusive culture. Regeneron is an equal opportunity employer and all qualified applicants will receive consideration for employment without regard to race, color, religion or belief (or lack thereof), sex, sexual orientation, gender identity or expression, gender reassignment, marital or civil partnership status, civil status, pregnancy or parental status, age, disability, nationality, citizenship status, ethnic or national origin, membership of the Traveler community, familial status, genetic information, military or veteran status, or any other characteristic protected under applicable law. Where required, we will provide reasonable accommodation to applicants with known disabilities or chronic illnesses during the recruitment process, unless such accommodation would impose undue hardship.

Where necessary, we disclose salary ranges for roles in all countries in which we operate. The final offer will be determined within the relevant range based on the country of employment, specific role level, and your skills and experience. In some countries, collective bargaining agreements (CBAs) may apply and influence certain elements of pay or benefits. Regeneron offers a competitive and comprehensive total rewards package which may include, depending on country and role: annual bonuses or other incentive plans, equity awards, pension or retirement benefits, 401(k) company match, health and wellness programs, fitness centers, insurance benefits (e.g. medical, dental, vision, life and disability), paid time off, and family support benefits. For additional information about Regeneron benefits in the U.S., please visit https://careers.regeneron.com/en/working-at-regeneron/total-rewards/. For other locations, additional information will be provided during the recruitment process. If you have any questions, please speak with your recruiter.

Please be advised that at Regeneron, we believe we do our best work when we are together. For that reason, many roles are required to be performed on‑site. Please speak with your recruiter and hiring manager for more information about on‑site expectations for your role and location.

As part of the recruitment process, certain background checks may be conducted in accordance with the laws of the country where the position is based. The purpose of such checks is to verify certain information prior to the commencement of employment such as identity, right to work and educational qualifications.

For jobs in Canada: this posting is for an existing position.