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 Senior Manager Field Medical Hematology Japan to join our Global Medical Affairs team, supporting our Hematology business area in a field-based work model. In this role, you will advance scientific engagement, generate actionable field insights, and support Medical Affairs execution while collaborating with Medical Affairs colleagues and cross-functional partners. 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:

• Lead compliant scientific engagement with external experts across Hematology.
• Gather and communicate field insights from clinical practice and congress activities.
• Own complex field medical activities aligned with Medical Affairs strategy.
• Maintain expert, investigator, and engagement-priority mapping.
• Deliver disease-state education to practitioners and researchers in Hematology.
• Contribute to evidence generation, medical education, and scientific communication.
• Lead selected Medical Affairs projects and support IIS and clinical-trial activities.
• You build trusted relationships and translate scientific exchange into actionable insights.

This role requires:

• MD, PhD, or PharmD preferred; Master's degree with substantial Hematology experience may be considered.
• Deep scientific expertise in Hematology and solid tumors; hemato-oncology or immuno-Hematology experience preferred.
• 6+ years in pharmaceutical, clinical research, clinical practice, Medical Affairs, or related scientific roles.
• Ability to independently deliver advanced scientific engagement and high-quality field outcomes.
• Strong scientific communication and presentation skills with external and internal stakeholders.
• Experience building relationships with academic and clinical experts.
• Experience working in matrix organizations; partnership experience is valued.
• Understanding of compliance requirements governing non-promotional Field Medical activities.
• Experience supporting evidence generation, medical education, scientific communication, or Medical Affairs projects preferred.
• Prior Field Medical or Medical Science Liaison experience in Hematology preferred.
• Fluency in Japanese and English.
• Ability and willingness to travel approximately 40–60%.
• Strong teamwork, integrity, ownership, judgment, adaptability, and follow-through.

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.