Medical Science Liaison - Sr. Medical Science Liaison; Ohio Valley-Oncology

Sumitomo Pharma Co., Ltd., is a global pharmaceutical company based in Japan with operations in the U.S. (Sumitomo Pharma America, Inc.), focused on addressing patient needs in oncology, urology, women's health, rare diseases, cell & gene therapies and CNS. With several marketed products and a diverse pipeline of early- to late-stage investigational assets, we aim to accelerate discovery, research, and development to bring novel therapies to patients sooner.

For more information on SMPA, visit our website  or follow us on Linked In.

We are currently seeking a dynamic, highly motivated, and experienced individual for the position of Medical Science Liaison (MSL). The MSL will be responsible for integrating scientific expertise and knowledge with medical strategies to ensure successful implementation of Sumitomo Pharma America’s marketed and emerging product portfolio. This will be fulfilled mainly through the development of cohesive working relationships with key opinion leaders and regional clinicians of influence.

Candidates with varying levels of experience are encouraged to apply. Final title and compensation will be determined based on qualifications and experience. This position is being posted at multiple levels. Applicants for this position will be considered for the titles listed in this posting. The title and salary will be determined by the experience and qualifications of the final candidate.

This role will cover Pennsylvania, Ohio, Delaware, and West Virginia.

• Identify and engage national, regional, and local Oncology thought leaders and HCPs.
• Serve as the primary scientific contact and build long‑term peer to peer scientific relationships.
• Exchange scientific and technical information relevant to the company’s development portfolio.
• Support relationships between key opinion leaders and internal product teams.
• Educate priority HCPs on research and development initiatives.
• Gather medical insights to inform clinical and marketing strategies.
• Provide an overview of company areas of interest for investigator-sponsored studies.
• Contribute to internal educational activities and training.
• Represent the company at Oncology conferences and scientific meetings.
• Lead relevant projects within the field medical organization.

• Clinical experience or strong scientific research background in Oncology preferred.
• Strong project leadership and time management skills.
• Ability to build trust and maintain relationships with thought leaders.
• Excellent communication and diplomacy skills.
• Understanding of drug development and product lifecycle.
• Ability to translate customer needs into actionable insights.
• Commitment to continuous improvement and high performance.
• Demonstrates a highly collaborative approach to cross‑functional engagement, fostering strong partnerships with internal stakeholders and external healthcare professionals.
• Applies an agile mindset to adapt quickly to evolving therapeutic landscapes, scientific data, and organizational priorities.
• Values teamwork by contributing to a culture of mutual respect, shared learning, across the medical team.
• Exhibits strong self‑leadership, proactively managing responsibilities, staying current with scientific developments, and driving personal growth and performance.

>50% Domestic Travel Required

• Bachelor’s degree in a related field required.
• Advanced degree (NP, PA, MD, PharmD, PhD) strongly preferred.
• Candidates without an advanced degree must have at least 5 years of MSL experience and 6–10 years of overall related experience.
• MSL experience or relationships with HCPs within the geography preferred.
• Generally, a MSL will require: 5+ years of relevant…