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For candidates seeking to be located at our Stevenage site, this role will temporarily be based at Stevenage. However, the Company plans to relocate its offices to Cambridge, UK. The location of this role will therefore subsequently change to Cambridge, UK in accordance with timelines to be set by the Company. The relocation is currently proposed to take effect by early 2029.

The Senior Medical Director, Oncology Clinical Development – Sarcoma, is a senior physician leader within the clinical programme team, providing medical oversight, strategic clinical insight, and a patient-centred perspective across the design, conduct, and interpretation of clinical studies. This role ensures that medical considerations, patient safety, and clinical integrity are consistently applied across studies within a programme.

Operating within the clinical strategy defined by the Clinical Development Lead (CDL), the Senior Medical Director partners closely with the Senior Scientist and cross-functional teams to guide the integration of physician expertise into study execution and programme-level decision-making. The role serves as a senior member of the Clinical Matrix Team (CMT), contributing to complex clinical decisions, regulatory interactions, and external scientific engagement.

The Senior Medical Director provides matrixed oversight to the clinical team within the programme, supporting consistency of clinical judgement, safety evaluation, and medical interpretation across studies.

PLEASE NOTE: This career opportunity requires an on-site office presence (minimum of two days a week) at one of GSK’s Switzerland (Zug), UK (Stevenage or London HQ) or US (PA or MA) sites.

In This Role You Will:

• Serve as a senior physician leader within the clinical programme, providing medical oversight and clinical insight across study design, conduct, and data interpretation
• Provide guidance on medical monitoring and safety oversight across studies, ensuring consistent application of clinical judgement and patient safety standards
• Interpret complex clinical and safety data, generating insights that inform programme-level decisions led by the CDL
• Partner with the Senior Scientist and cross-functional teams to ensure medical considerations are integrated across study execution and programme delivery
• Provide senior medical input into protocol development and study design, ensuring clinical relevance and patient-centred design within the clinical strategy defined by the CDL
• Serve as a senior member of the CMT, influencing study-level and programme-level decision-making
• Engage with investigators, Key External Experts (KEEs), and scientific leaders to support external engagement and represent the programme at advisory boards, steering committees, and scientific forums
• Provide medical guidance and mentorship to Medical Directors within the programme, supporting consistency and development of clinical capability

Detailed Responsibilities:

Medical Monitoring and Safety Oversight

• consistency in approach, patient safety, and protocol adherence
• Guide interpretation of safety data in collaboration with pharmacovigilance, supporting signal detection, escalation, and benefit–risk evaluation across the programme
• Participate in and contribute to safety review forums (e.g., SRT, IDMC), providing senior physician perspective on complex safety questions
• Ensure medical monitoring approaches are aligned across studies and consistent with regulatory and organisational standards

Study Design and Execution

• Provide senior medical input into protocol development across studies, ensuring clinical relevance, feasibility, and alignment with the clinical strategy defined by the CDL
• Guide clinical aspects of study design and protocol implementation, particularly for complex, high-risk, or multi-study programmes
• Support resolution of complex medical questions arising during study conduct, applying clinical judgement to inform programme-level decision-making
• Ensure consistency of medical considerations across multiple studies within the programme

Data Interpretation and Scientific Contribution

• Interpret complex clinical data across studies, integrating findings to inform programme-level insights on safety, efficacy, and patient impact
• Contribute to programme-level data interpretation and support CDL-led benefit–risk assessment and clinical positioning
• Guide development of scientific communications, including publications, congress materials, and clinical summaries
• Maintain deep understanding of disease biology, evolving treatment paradigms, and competitive landscape to inform clinical interpretation and programme strategy

Regulatory and External Engagement

• Contribute senior medical expertise to regulatory interactions and Health Authority discussions, including responses to complex clinical and safety queries
• Represent the programme at advisory boards, steering committees, and external scientific forums, providing senior physician perspective on clinical data and programme direction
• Engage with KEEs and scientific collaborators to support programme development, scientific exchange, and external credibility
• Lead or contribute to the clinical and technical diligence assessment of business development opportunities

Cross-Functional Collaboration and Clinical Matrix Team

• Serve as a senior member of the Clinical Matrix Team (CMT), influencing cross-functional alignment and programme-level decision-making
• Contribute medical expertise to disease area strategy, integrated evidence planning, and Medical Affairs discussions
• Collaborate across functions to ensure alignment on safety, data interpretation, and clinical positioning across the programme
• Lead or contribute to Oncology Clinical Development-wide initiatives and workstreams

People Leadership & Capability Development

• Provide oversight, guidance, and mentorship to clinical scientists within the programme, supporting consistency and quality of medical input across studies
• Support development of clinical capability within the medical team, including coaching on medical monitoring, data interpretation, and external engagement
• Contribute to talent development, performance discussions, and capability building within Oncology Clinical Development

Basic Qualifications:

• Medical degree and completion of advanced specialty training, fellowship or country-equivalent higher-level qualification in medical oncology, pediatric oncology or hematology.
• Experience in sarcoma oncology, including leading drug development.
• Clinical and pharmaceutical experience in oncology clinical development, with depth across multiple studies or programmes
• Experience in medical monitoring, safety evaluation, and clinical data interpretation across clinical studies
• Understanding of clinical development processes, GCP, ICH guidelines, and global regulatory frameworks
• Experience operating within cross-functional matrix teams and contributing to complex clinical and programme-level decisions

Preferred Qualifications:

• Deep expertise in soft tissue sarcoma and osteosarcoma, including experience leading or supporting clinical development programs across early and/or late-stage clinical studies.
• Strong scientific communication and stakeholder engagement skills, with the ability to influence internal and external audiences
• Deep experience in oncology clinical development across multiple studies or programmes, including Phase I–III
• Experience contributing to or leading aspects of regulatory interactions (e.g., IND, scientific advice, NDA/MAA)
• Demonstrated experience engaging with KEEs, advisory boards, and scientific communities in oncology
• Track record of scientific publications and congress presentations
• Deep understanding of oncology disease biology and the evolving treatment landscape across solid tumours and/or haematological malignancies
• Experience contributing to clinical and technical diligence for business development opportunities

Skills

Clinical Data Interpretation, Clinical Pharmacology, Clinical Trial Designs, Clinical Trials Monitoring, Digital Fluency, Drug Development, Drug Regulatory Affairs, Evidence Based Decision Making, Executive Presence, Hematology and Oncology, Learning Agility, Matrix Leadership, Real World Evidence (RWE), Scientific Presentations, Strategic Direction

• If you are based in Cambridge, MA; Waltham, MA; Rockville, MD; or San Francisco, CA, the annual base salary for new hires in this position ranges $284,250 to $473,750. The US salary ranges take into account a number of factors including work location within the US market, the candidate’s skills, experience, education level and the market rate for the role. In addition, this position offers an annual bonus and eligibility to participate in our share based long term incentive program which is dependent on the level of the role. Available benefits include health care and other insurance benefits (for employee and family), retirement benefits, paid holidays, vacation, and paid caregiver/parental and medical leave. If salary ranges are not displayed in the job posting for a specific country, the relevant compensation will be discussed during the recruitment process.

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GSK is an Equal Opportunity Employer. This ensures that all qualified applicants will receive equal consideration for employment without regard to race, color, religion, sex (including pregnancy, gender identity, and sexual orientation), parental status, national origin, age, disability, genetic information (including family medical history), military service or any basis prohibited under federal, state or local law.

This Position Description is to provide a framework for job understanding between employee and manager. It may not cover or contain the full listing of activities, duties or responsibilities that are required of the employee for this job. Duties, responsibilities and activities may change at any time with or without notice and at the discretion of the management of the Company. The position description is not used in the assignment or assessment of any GSK level or grade used in the Job Evaluation Process.

Compensation Grade:

4

Job Posting End Date:

24-09-2026

Eligible for Employee Referral Bonus:

Yes