Regeneron Japan KK Posted October 30, 2026

Sr Mgr Field Medical Affairs, Hematology

Remote, Japan Full time
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Regeneron Japan KK is the source of truth for this posting and owns the application process. We surface normalized context and market comparison you won't find on the original listing.

About this opportunity

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.

Job details

Seniority
Senior
Function
Medical Affairs
Therapeutic area
Not listed
Location
Remote, Japan
Employment type
Full time

How this role compares

Computed from every other active Medical Affairs role in our database, not just this employer's listings.

We currently track 361 comparable Senior Medical Affairs roles across 66 biopharma companies.

361Comparable roles tracked
351Currently active
66Companies hiring similar roles
29Countries represented

Salary context

113 of 361 peers report a salary range (USD, annualized)

Peers share this role's job function and a matching or adjacent seniority level -- not necessarily the same therapeutic area or country.

This roleSubject Not listed on this posting
Lowest disclosed · Principal Strategic Medical Writer · AbbVie $109,500/yr – $208,500/yr
Peer group range $159,000 – $255,000 (median $186,375)

Where these roles are based

Top locations among the 361 comparable roles

United States209
China47
Germany15
India15
United Kingdom11
Taiwan8

+ 23 more countries

Seniority mix

361 of 361 peers have a known seniority level

Senior255
Associate Director90
Principal16

Therapeutic area mix

112 of 361 peers have a known therapeutic area; the rest are genuinely unlabeled, not hidden

Oncology46
Neuroscience17
Dermatology & Aesthetics14
Rare Disease13
Cardiovascular / CVRM7
Immunology5
Respiratory3
Vaccines & Infectious Disease3
Ophthalmology3
Gastroenterology1

Similar opportunities

The closest matches from our peer group, ranked by how similar they are, not how well you'd qualify for them -- treat this as market context, not a guaranteed shortlist; a weak match is labeled as one below.

60%similar
Merck KGaA Tokyo, Tokyo, Japan Senior
Same function Same seniority Same country
60%similar
Bayer 大阪府, Japan Senior
Same function Same seniority Same country
60%similar
Bayer Osaka, Japan Senior
Same function Same seniority Same country
60%similar
Johnson & Johnson Chiyoda, Japan Senior
Same function Same seniority Same country
60%similar
Beeline Medicines Japan Senior
Same function Same seniority Same country
60%similar
IQVIA Tokyo, Japan Senior
Same function Same seniority Same country

Notify me about similar jobs

Get an email when we spot other openings like this one – same job function, comparable seniority, roles you'd actually want to see.

Or follow a whole field: get every new Medical Affairs job in Japan, and choose locations and companies.

How we calculate "similar"

No black box, no LLM guesswork: a deterministic score built from four normalized attributes. Here's this role's own peer group at different match levels, so you can see the mechanism, not just the result.

Every comparison starts from the same 100-point budget: 25 for working in the same function, 40 for the same therapeutic area, 20 for the same or adjacent seniority, 15 for the same country. A dimension we can't confirm on both sides contributes nothing, never a guess, never a free pass.

60%
Medical Information Senior Specialist(メディカルインフォメーション シニアスペシャリスト
Merck KGaA · Tokyo, Tokyo, Japan · Senior
Function Therapeutic area Seniority Country
60%
[MedTech] [Abiomed] Heart Recovery Sr. Medical Science Liaison
Johnson & Johnson · Chiyoda, Japan · Senior
Function Therapeutic area Seniority Country
60%
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Amgen K.K. · Tokyo, Japan · Senior
Function Therapeutic area Seniority Country
45%
(Sr.) Medical Science Liaison - Cardiometabolic
Amgen Taiwan Limited · Taipei City, Taiwan · Senior
Function Therapeutic area Seniority Country
Unmatched or unknown dimensions score exactly the same: 0 points, never a partial guess. A role we know almost nothing about beyond its function bottoms out at 25%; it never inflates to 100% just because there's little to compare against. Seniority uses a defined ladder (Associate → Manager → Associate Director → Senior → Principal → Director → Senior Director → Executive/VP) so "Director" and "Senior Director" count as adjacent, but "Director" and "Executive/VP" do not.