Gilead Sciences K.K. Posted August 7, 2026

Sr Manager/Associate Director, Medical Affairs (Oncology)

Tokyo, Japan Full time
Medical Affairs Oncology Associate Director

Gilead Sciences K.K. 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

At Gilead, we’re creating a healthier world for all people. For more than 35 years, we’ve tackled diseases such as HIV, viral hepatitis, COVID-19 and cancer – working relentlessly to develop therapies that help improve lives and to ensure access to these therapies across the globe. We continue to fight against the world’s biggest health challenges, and our mission requires collaboration, determination and a relentless drive to make a difference.

Every member of Gilead’s team plays a critical role in the discovery and development of life-changing scientific innovations. Our employees are our greatest asset as we work to achieve our bold ambitions, and we’re looking for the next wave of passionate and ambitious people ready to make a direct impact.

We believe every employee deserves a great leader. People Leaders are the cornerstone to the employee experience at Gilead and Kite. As a people leader now or in the future, you are the key driver in evolving our culture and creating an environment where every employee feels included, developed and empowered to fulfil their aspirations. Join Gilead and help create possible, together.

Job Description

Specific Job Requirements

This position reports to the Director of Medical Affairs (MA) Oncology in Japan.

The primary responsibility of Medical Affairs Senior Manager/Associate Director is to lead planning and execution for strategic data generation and various medical programs including, but not limited to, advisory boards, education programs, congress symposia, digital education, and other programs in collaboration with other Oncology medical team members. Other expectations include supporting head of Oncology MA in creating Japan ISP (Indication Strategic Plan) and medical PoA (Plan of Action), in closely communication and collaboration with Oncology Medical Scientists, Medical Affairs stuffs of partner companies, Global MA, and International MA especially Asia Pacific Region, providing scientific/medical inputs during all product life cycle.

Primary responsibilities are as follow:

Lead planning and execution of the Oncology TA PoA, including data generation, publication, medical education programs in collaboration with other Oncology medical team members and partners (if applicable) based on deeper Oncology knowledge with excellent logical planning skills.

Maintain clinical, scientific, and technical expertise in Oncology area to develop and conduct strategic medical activities.

Involved in scientific communication with KOLs to provide medical input and more extensive background, additional data, or answers to questions in response to issues that arise relative to commercial, scientific or data needs.

Collaborate effectively with clinical, regulatory affairs and commercial teams in multiple areas including publication planning, speaker education programs, regional advisory meetings, manuscript review. Especially excellence in launch preparation is indispensable.

Ensure that all interactions and activities in Japan adhere to corporate and healthcare compliance guidance, including those related to clinical trials, scientific interactions with internal and external groups, and responses to unsolicited requests for medical/scientific information

Qualifications: Specific Education and Experience Requirements

Essential

Must have strong industry experience ( +5 yrs ) in Oncology area, Medical Affairs or R&D in Pharma Industry.

Logical thinking and planning skills are essential.

Excellent internal/external stakeholder management, communication in both Japanese and English, presentation, and time management skills required; must be adaptable and able to work well within a team and relate effectively with people at all levels of the organization

Ability to partner with key internal stakeholders to understand key objectives and to drive plans that achieve or exceed these.

Excellent learning agility

Desired/Preferred

Advanced degree in life science (PhD, Pharm D, MD) with clinical and research experience in Oncology

Demonstrated leadership in ambiguous situations

Advanced English Skills for both written and speaking

Project Management skills

For Current Gilead Employees and Contractors:

Please apply via the Internal Career Opportunities portal in Workday.

Job details

Seniority
Associate Director
Function
Medical Affairs
Therapeutic area
Oncology
Location
Tokyo, 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 260 comparable Associate Director Medical Affairs roles across 75 biopharma companies.

260Comparable roles tracked
216Currently active
75Companies hiring similar roles
33Countries represented

Salary context

50 of 260 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 · Senior Medical Writer - Vaccine · Sanofi Vaccines US Inc. $122,250/yr – $176,583/yr
Peer group range $149,417 – $258,000 (median $180,500)

Where these roles are based

Top locations among the 260 comparable roles

United States89
Japan24
Germany24
India22
China20
Taiwan13

+ 27 more countries

Seniority mix

260 of 260 peers have a known seniority level

Manager125
Senior97
Associate Director38

Therapeutic area mix

100 of 260 peers have a known therapeutic area; the rest are genuinely unlabeled, not hidden

Oncology42
Immunology14
Vaccines & Infectious Disease9
Cardiovascular / CVRM8
Dermatology & Aesthetics8
Rare Disease8
Neuroscience7
Respiratory2
Gastroenterology1
Ophthalmology1

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.

90%similar
Pfizer Japan Inc. Tokyo, Japan Manager
Same function Same therapeutic area Adjacent seniority Same country
85%similar
Gilead Sciences, Inc. Foster City, United States Associate Director
Same function Same therapeutic area Same seniority
85%similar
Regeneron Pharmaceuticals, Inc (USA) Sleepy Hollow, United States Associate Director
Same function Same therapeutic area Same seniority
85%similar
Celgene - Summit (Corp) Princeton, United States Associate Director
Same function Same therapeutic area Same seniority
85%similar
E.R. Squibb & Sons,L.L.C. Princeton, United States Associate Director
Same function Same therapeutic area Same seniority
75%similar
AbbVie Los Angeles, CA Senior
Same function Same therapeutic area Adjacent seniority

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.

90%
[MA] Lung Cancer MAS team, ONC Field MAS [Manager/Staff]
Pfizer Japan Inc. · Tokyo, Japan · Manager
Function Therapeutic area Adjacent seniority Country
85%
Associate Director, Global Medical Oncology, Medical Communications, Hematology
Celgene - Summit (Corp) · Princeton, United States · Associate Director
Function Therapeutic area Seniority Country
75%
MSL/Sr. MSL Oncology, Multiple Myeloma (New England)
AbbVie · Boston, MA · Senior
Function Therapeutic area Adjacent seniority Country
75%
(Sr.) Medical Science Liaison - Oncology
Amgen Taiwan Limited · Taipei City, Taiwan · Senior
Function Therapeutic area Adjacent 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.