We are Regeneron, a global leader in biotechnology, dedicated to transforming lives through innovative medicines. As the Director of Medical Affairs Oncology in Japan, you will play a pivotal role in advancing our oncology assets and pipeline, serving as the local medical expert for Regeneron and driving impactful collaborations with internal teams and external stakeholders. This is your opportunity to make a meaningful difference in patient care and contribute to the development of cutting-edge treatments.

A Typical Day

• Act as the local medical contact for Regeneron's oncology assets and pipeline, ensuring alignment with internal and external stakeholders.
• Collaborate with cross-functional teams, including Medical Affairs, Clinical Sciences, Operations, and Regulatory, to optimize strategic and tactical planning.
• Provide medical support for clinical trials, including identifying centers of excellence and key investigators, and assisting with operational tasks such as patient recruitment.
• Deliver scientific presentations to diverse audiences, including physicians, pharmacists, and medical agencies, to advance medical understanding and engagement.
• Assess and develop internal and external medical education strategies to address needs in the country.
• Ensure compliance with local regulations in the release of promotional materials and publications.
• Represent Regeneron at professional medical meetings, symposia, and advisory boards, facilitating impactful scientific engagements.
• Continuously maintain deep scientific and medical knowledge of oncology therapeutic areas, focusing on solid tumors and immuno-oncology.

This Role May Be For You If

• You have over 10–15 years of healthcare/scientific experience in oncology, including substantial time in a relevant medical role within the pharmaceutical or biotech industry.
• You possess a thorough understanding of Japan's Medical Affairs, Clinical Development, and Regulatory environment, with significant expertise in solid tumors and immuno-oncology.
• You excel in a matrix, cross-functional environment and have demonstrated success in collaboration and strategic planning.
• You are fluent in Japanese and English, with outstanding communication skills to convey medical concepts across diverse audiences.
• You embody an entrepreneurial mindset, proactively identifying opportunities and taking action without prompting.
• You value teamwork, integrity, and a commitment to excellence, while maintaining flexibility in a fast-paced, innovative environment.
• You are willing to travel (10–20%) and engage in meaningful collaborations with key opinion leaders and stakeholders.

To Be Considered
Candidates must hold a medical degree (MD) and have extensive experience in oncology and the pharmaceutical/biotech industry, including drug development and life-cycle management. Preferred qualifications include experience in immuno-oncology, translational/basic research with publications, and people management skills. Fluency in Japanese and English is required, along with a willingness to travel.

Does this sound like you? Apply now to take your first step towards living the Regeneron Way We have an inclusive culture that provides comprehensive benefits, which vary by location. In the U.S., benefits may include health and wellness programs (including medical, dental, vision, life, and disability insurance), fitness centers, 401(k) company match, family support benefits, equity awards, annual bonuses, paid time off, and paid leaves (e.g., military and parental leave) for eligible employees at all levels For additional information about Regeneron benefits in the US, please visit For other countries' specific benefits, please speak to your recruiter.

Please be advised that at Regeneron, we believe we are most successful and work best when we are together. For that reason, many of Regeneron's roles are required to be performed on-site. Please speak with your recruiter and hiring manager for more information about Regeneron's on-site policy and expectations for your role and your location.

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, nationality, national or ethnic origin, civil status, age, citizenship status, membership of the Traveler community, sexual orientation, disability, genetic information, familial status, marital or registered civil partnership status, pregnancy or parental status, gender identity, gender reassignment, military or veteran status, or any other protected characteristic in accordance with applicable laws and regulations. The Company will also provide reasonable accommodation to the known disabilities or chronic illnesses of an otherwise qualified applicant for employment, unless the accommodation would impose undue hardship on the operation of the Company's business.

For roles in which the hired candidate will be working in the U.S., the salary ranges provided are shown in accordance with U.S. law and apply to U.S.-based positions. For roles which will be based in Japan and/or Canada, the salary ranges are shown in accordance with the applicable local law and currency. If you are outside the U.S, Japan or Canada, please speak with your recruiter about salaries and benefits in your location.

Please note that certain background checks will form part of the recruitment process. Background checks will be conducted in accordance with the law of the country where the position is based, including the type of background checks conducted. The purpose of carrying out such checks is for Regeneron to verify certain information regarding a candidate prior to the commencement of employment such as identity, right to work, educational qualifications etc.