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The Medical Science Liaison (MSL or Sr. MSL) 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 ...

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How much do msl jobs pay per hour?

As of Jul 24, 2026, the average hourly pay for msl in the United States is $74.34, according to ZipRecruiter salary data. Most workers in this role earn between $34.86 and $102.16 per hour, depending on experience, location, and employer.

What is a MSL job?

A Medical Science Liaison (MSL) is a healthcare professional who acts as a scientific expert within the pharmaceutical or biotech industry. MSLs communicate complex medical information to healthcare providers, support clinical trials, and provide education about new therapies, often requiring advanced degrees and strong knowledge of medical science. They typically work in a field-based role, traveling frequently and maintaining compliance with industry regulations.

What are the key skills and qualifications needed to thrive as a Medical Science Liaison (MSL), and why are they important?

To thrive as a Medical Science Liaison, you need a strong background in life sciences or pharmacy, often supported by an advanced degree such as a PharmD, PhD, or MD. Familiarity with CRM systems, scientific databases, and clinical trial data is vital, along with relevant certifications like MSL-BC being advantageous. Exceptional communication, relationship-building, and presentation skills help MSLs effectively engage with key opinion leaders and healthcare professionals. These skills ensure credible scientific exchange, foster trust, and support the strategic objectives of the organization in a complex healthcare environment.

What Does an MSL Do?

As a medical science liaison (MSL), you work in the pharmaceutical, biotechnology, or medical device industries, concentrating on a specific therapeutic area, such as biotechnology, oncology, cardiology, or women’s health. Your responsibilities revolve around ensuring that health care products are effective, and you collaborate with researchers, marketing teams, and business leaders throughout the company to fulfill your duties. Additionally, you develop relationships with prominent physicians at leading universities and hospitals and serve as a liaison between them and stakeholders within your company. You may host advisory boards and solicit their opinions and insights regarding the development of medicines, devices, and other therapies.

What is the difference between Msl vs Medical Science Liaison?

AspectMedical Science Liaison (MSL)Medical Science Liaison (MSL)

Since the comparison is between the same job title, the key differences often lie in specialization, therapeutic focus, or company-specific roles. Generally, MSLs are responsible for scientific exchange, education, and supporting clinical trials within pharmaceutical or biotech companies. They typically hold advanced degrees like PhDs or PharmDs and work in a highly scientific environment. The role involves collaboration with healthcare professionals and internal teams to ensure accurate scientific communication. Overall, MSLs are vital for bridging scientific knowledge and medical practice in the industry.

How does an MSL typically collaborate with healthcare professionals and internal teams?

Medical Science Liaisons (MSLs) play a crucial role in bridging scientific knowledge between pharmaceutical companies and healthcare professionals. They frequently interact with key opinion leaders (KOLs) to provide up-to-date clinical information and gather insights from the field. Internally, MSLs collaborate closely with medical affairs, regulatory, and commercial teams to ensure scientific consistency and support product launches. This collaborative environment requires strong communication skills and the ability to translate complex data into practical insights for both external and internal stakeholders.

Why do MSLs get paid so much?

Medical Science Liaisons (MSLs) are highly specialized professionals who serve as scientific experts for pharmaceutical companies, often requiring advanced degrees and extensive industry knowledge. Their high compensation reflects their expertise, the importance of their role in scientific communication, and the need for strong interpersonal and regulatory skills in a competitive industry.

Are MSL positions hard to get?

Molecular Science Liaison (MSL) positions are competitive and typically require advanced degrees such as a PhD or PharmD, along with relevant industry experience. Success often depends on strong scientific knowledge, communication skills, and networking within the pharmaceutical or biotech sectors.

What are Medical Science Liaisons (MSLs)?

Medical Science Liaisons (MSLs) are specialized professionals within the pharmaceutical, biotechnology, and medical device industries who act as scientific experts and links between the company and the medical community. Their primary role is to communicate complex scientific information to healthcare providers, answer clinical questions, and support research initiatives. MSLs often engage in educational activities, provide insights from the field to their company, and help ensure that products are used safely and effectively based on the latest scientific evidence.

How much do MSLs typically earn?

Medical Science Liaisons (MSLs) typically earn between $110,000 and $160,000 annually, with experienced professionals and those in senior roles earning higher salaries. Compensation can vary based on factors such as location, industry, and level of experience, and often includes bonuses and benefits.
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Infographic showing various Msl job openings in the United States as of July 2026, with employment types broken down into 95% Full Time, 4% Part Time, and 1% Contract. Highlights an 78% Physical, 6% Hybrid, and 16% Remote job distribution, with an average salary of $154,635 per year, or $74.3 per hour.
Medical Science Liaison (MSL or Sr. MSL), Neurology (Alzheimer\'s Disease) - Field Based, Central Mi

Medical Science Liaison (MSL or Sr. MSL), Neurology (Alzheimer\'s Disease) - Field Based, Central Mi

Eisai US

Kansas City, MO • On-site

Full-time

This job post has expired today. Applications are no longer accepted.


Job description

At Eisai, satisfying unmet medical needs and increasing the benefits healthcare provides to patients, their families, and caregivers is Eisai’s human health care (hhc) mission. We’re a growing pharmaceutical company that is breaking through in neurology and oncology, with a strong emphasis on research and development. Our history includes the development of many innovative medicines, notably the discovery of the world\'s most widely-used treatment for Alzheimer’s disease. As we continue to expand, we are seeking highly-motivated individuals who want to work in a fast-paced environment and make a difference.  If this is your profile, we want to hear from you.

The Medical Science Liaison (MSL or Sr. MSL) 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 KOLs/HCPs, researchers, pharmacists, and decision makers in the areas of Eisai’s interest. The person in this position will demonstrate a thorough understanding of Alzheimer’s disease (AD), including the needs, issues and priorities as they relate to Eisai’s strategic medical plan. MSLs will be trained and certified on AD and Eisai’s dementia pipeline data in order to fulfill educational gaps with KOLs/HCPs and gather medical insights to refine medical strategy and continue to close the gap on unmet educational needs for AD HCPs. MSLs also assume responsibility for special internal/external projects as they arise.
The impact that a Medical Science Liaison will have on the organization includes the following: a) as a representative of Eisai, a MSL will communicate key information about Eisai, the company and its hhc mission; b) provide key scientific and clinical information about Eisai’s products/pipeline; serve as a conduit for communication between Eisai Research and the medical community regarding ideas for future research, and c) provide corporate value through demonstrated leadership, teamwork, participation in strategic thinking, and special projects.

ESSENTIAL FUNCTIONS/RESPONSIBILITIES:

​


Product/Therapeutic Area Support to Stakeholders
· Act as the primary clinical/scientific resource to HCPs in the territory for information pertaining to disease state and Eisai\'s product(s) to ensure awareness and understanding.
· Serve as a conduit for accurate and updated clinical, scientific and medical information between Key Opinion Leaders (KOLs)/investigators and the company\'s Medical Affairs and development groups.
· Establish, foster, cultivate and maintain peer relationships with KOLs in AD and dementia in which Eisai has current and future interests.
· Present clinical and scientific data on Eisai’s products and relevant therapeutic areas, as requested.
· Support assigned professional congresses in accordance with MSL plan. Be prepared to lead congress coverage efforts, including coordination of all MSL activities.
· Identify and report key scientific, clinical and research insights from KOLs to Medical Affairs.


Training/Education Resource
· Maintain and demonstrate thorough and up-to-date knowledge of disease state, study methodology, clinical information, and product data
· Demonstrate full knowledge of and ability to execute on approved medical platforms/strategies and MSL initiatives
· Serve as technical/scientific subject matter resource to Eisai cross functional partners
· Teach, coach and mentor new or less experienced MSLs; assist with supervision/performance evaluation; assume responsibility for special projects. Provide valuable contributions to the organization including leadership and strategic planning.


Research Support
· Facilitate review and follow up of submitted Investigator-Initiated Studies (IISs) and assist with Eisai sponsored trials.
· The MSL may also be involved with providing recommendations for site selection and scientific expertise to Investigators involved in company sponsored studies.


Qualifications:

Educational Requirements:

  • Advanced terminal D degree in medical or health sciences or related field (e.g MD/DO, PhD, PharmD)


Experience:

  • MSL experience in neurology or complex disease states preferred; prior dementia or AD research experience strongly preferred, 3 yrs+ required for Sr MSL title.
  • Established relationships with KOLs in neurology, and knowledge of institutions focused on AD preferred.
  • 2 plus years industry/ clinical research/ related experience in a scientific or clinical setting.
  • Strong broad-based scientific and pharmaceutical knowledge.
  • Clinical trial development and drug launch experience is preferred.
  • Knowledge of treatment guidelines, clinical research processes, FDA regulations, pharma regulations/compliant practices, and OIG guidelines are required.

Other:

  • Interested and skilled in communicating complex data sets and the ability to be seen as a scientific peer while educating top KOLs
  • Committed to the concept of team and working within the framework of Medical Affairs
  • Strong overall written and verbal communication skills. Keen understanding of your audience and ability to tailor information appropriately
  • Highly skilled in the art of strategic conversation along with a demonstrated ability to assess issues, as they arise and adapt appropriately
  • Demonstrated ability to anticipate, organize, plan and handle multiple priorities, while adapting to the needs of the company and KOLs
  • Has an ability to work independently and not require close supervision while adhering to compliance/regulatory policies
  • Interest in leading and participating in projects while effectively balancing field work
  • Demonstrated ability to proactively identify opportunities/challenges, willingness to communicate these challenges to leadership while working together to overcome them
  • Seamlessly adapts to field situations and effectively problem solves within territory.
  • Experience working in matrix environment including cross-functional commercial partners, with an understanding of the pharmaceutical corporate environment and appreciation for Commercial Operations, including Marketing and Sales strategies
  • Sound computer/technology skills including applications for word processing, producing slide materials, working with spreadsheets, and video conferencing
  • Possesses and maintains a valid driver’s license and clean driving record
  • Capable of engaging in frequent business travel (approximately 60% of time), including air travel, ability to travel overnight and occasionally on weekends
  • This is a field-based position. The employee is required to set up a home-based office within their defined territory
Salary range for MSL is $144,300.00 - $189,400 USD AnnualSalary range for Sr. MSL is $160,100.00 - $216,900 USD Annual#LI-MI1 As a condition of employment and an essential function of this field-based position, applicants must be able to engage in person with HCPs and other third parties at their offices, institutions and other appropriate locations on a regular basis. In order to gain in-person access, applicants selected for the position may be required to complete third parties’ credentialing and/or entry requirements, which often include an attestation to and/or providing proof of having received certain vaccinations. To the extent you are unable to meet certain requirements for qualifying medical (including pregnancy-related) or religious reasons, applicants must request a reasonable accommodation by contacting the Human Resources Department.Skills:Communication & Cross-functional Influence, Critical Thinking & Agility, Healthcare Environment Dynamics, KOL/ HCP Engagement, Medical Data and Insights, Mentoring, Resource Planning & Management, Territory Management (MSL)

Eisai Salary Transparency Language:

The annual base salary range for the Medical Science Liaison (MSL or Sr. MSL), Neurology (Alzheimer\'s Disease) - Field Based, Central Midwest (KS, NE, IA & MO) is from :$165,300-$216,900 Under current guidelines, this position is eligible to participate in : Eisai Inc. Annual Incentive Plan & Eisai Inc. Long Term Incentive Plan.

Final pay determinations will depend on various factors including but not limited to experience level, education, knowledge, and skills.

Employees are eligible to participate in Company employee benefit programs. For additional information on Company employee benefits programs, visit https://careers.eisai.com/us/en/compensation-and-benefits.

Certain other benefits may be available for this position, please discuss any questions with your recruiter.

Eisai is an equal opportunity employer and as such, is committed in policy and in practice to recruit, hire, train, and promote in all job qualifications without regard to race, color, religion, gender, age, national origin, citizenship status, marital status, sexual orientation, gender identity, disability or veteran status.  Similarly, considering the need for reasonable accommodations, Eisai prohibits discrimination against persons because of disability, including disabled veterans.

Eisai Inc. participates in E-Verify. E-Verify is an Internet based system operated by the Department of Homeland Security in partnership with the Social Security Administration that allows participating employers to electronically verify the employment eligibility of all new hires in the United States. Please click on the following link for more information:

Right To Work

E-Verify Participation


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About Eisai US

Sourced by ZipRecruiter

Industry

Pharmaceutical and medicine manufacturing

Company size

5,001 - 10,000 Employees

Headquarters location

Nutley, NJ, US

Year founded

1995

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