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Posted May 9, 2026

[Hiring] Medical Science Liaison / Senior Medical Science Liaison, Oncology @Eisai US

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Role Description The Medical Science Liaison (MSL) / Senior Medical Science Liaison (Sr. MSL) - Arkansas, Louisiana, Mississippi and Tennessee, is a field-facing representative of US Medical Affairs with a primary responsibility of engaging in the exchange of scientific data and other medical and/or scientific information with external customers (healthcare providers, researchers, professional organization leadership, and population-based decision makers) in the areas of Eisai’s interest. • Demonstrate a thorough understanding of the customer’s needs, issues, and priorities as they relate to Eisai’s strategic business plan. • Bring relevant insights from the field on research developments, treatment landscape, and new concepts in medical treatment. • Assume a leadership role by teaching, coaching, and mentoring new or less experienced MSLs. • Take responsibility for special projects as they arise. • Communicate key information about Eisai and its hhc mission. • Provide key scientific and clinical information about Eisai’s products. • Serve as a conduit for communication between Eisai Research and the medical community regarding ideas for future research with Eisai’s products. • Provide corporate value through demonstrated leadership and participation in strategic thinking. Qualifications • Requires an advanced, terminal Doctorate level (D-level) degree in medical or health sciences (e.g. MD, PhD, PharmD, DPH, EdD). • For MSL: 0-3 years of experience in the pharma/biotech industry/clinical pharmacist/research/related experience in a scientific or clinical setting, preferably as MSL. • For Sr. MSL: a minimum of 3 years MSL experience in Oncology/Hematology. • Strong broad-based scientific and pharmaceutical knowledge. • Clinical trial development and drug launch experience is strongly preferred. • Knowledge of treatment guidelines, clinical research processes, FDA regulations, and OIG guidelines are required. • Established relationships with key opinion leaders and knowledge of institutions in therapeutic areas of interest. Requirements • Excellent presentation and teaching skills. • Strong overall written and verbal communication skills. • Demonstrated ability to assess issues and think strategically. • Demonstrated ability and experience working cross-functionally. • Demonstrated ability to anticipate, organize, plan, and handle multiple changing priorities. • Ability and interest in coaching and mentoring less experienced MSLs. • Ability to lead and motivate team members without a direct reporting relationship. • Demonstrated ability to analyze complex situations and proactively identify opportunities/issues. • Committed to the concept of team and working within the framework of the Medical Affairs Department and Eisai organization. • Capable of engaging in frequent business travel (approximately 60% of time). • Possesses and maintains a valid driver’s license. Benefits • Salary range for MSL is $144,300.00 - $189,400 USD Annual. • Salary range for Sr. MSL is $160,100.00 - $210,100 USD Annual. • Eligible to participate in Eisai Inc. Annual Incentive Plan & Eisai Inc. Long Term Incentive Plan. • Employees are eligible to participate in Company employee benefit programs. Apply Now Apply Now
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