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Medical Science Liaisons (MSL) Director (Biotechnology, Oncology, CA Region)

  • Company: Exelixis
  • Location: Valley Home, Stanislaus County
  • Salary: $243,500–$310,500/yr

Exelixis at a glance

exelixis.com
  • Founded 1994
  • Ticker EXEL
EXEL 56.66 USD +1.45%
  • Revenue (FY2025) $2.32B
  • Net income $782.57M

Investor research: Yahoo Finance · SEC filings

Federal funding recipient: largest known award $76K from the Department of Veterans Affairs (started Nov 22, 2016) — via USAspending.gov

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Source: Wikipedia

Exelixis is seeking an experienced Medical Science Liaisons (MSL) Director to lead oncology field-based scientific engagement across California. This full-time position, based in Valley Home, Stanislaus County, offers the opportunity to serve as a clinical thought partner and scientific authority for oncology healthcare professionals, building and strengthening relationships that advance our biotechnology innovations in cancer care.

About the Role

As Medical Science Liaisons Director for Exelixis' oncology business, you will oversee and conduct field-based scientific engagement with oncology physicians, research centers, and healthcare institutions. Working from our Northern California headquarters, you'll lead clinical knowledge exchange, establish meaningful scientific collaborations, and ensure evidence-based representation of our oncology portfolio to healthcare professionals at the local, regional, and national levels.

What You'll Do

  • Conduct advanced scientific discussions and clinical knowledge exchange with oncology healthcare professionals and key opinion leaders
  • Develop and maintain strategic relationships with cancer centers, academic medical centers, and healthcare organizations throughout California and beyond
  • Partner with medical affairs, clinical development, and commercial teams to ensure scientifically rigorous and compliant healthcare professional engagement
  • Support investigator-sponsored research, clinical trial activities, and scientific advisory initiatives
  • Represent Exelixis at medical conferences, oncology professional societies, and scientific meetings
  • Supervise and mentor Medical Science Liaisons and field medical personnel
  • Monitor emerging clinical evidence and scientific literature relevant to oncology therapeutics
  • Maintain compliance with healthcare professional engagement regulations and ethical standards

What We're Looking For

  • Advanced degree (PharmD, MD, PhD, or equivalent) with expertise in oncology or pharmaceutical sciences
  • 5+ years of experience as a Medical Science Liaison, clinical specialist, or field medical affairs professional
  • Demonstrated leadership capability managing teams or directing scientific programs
  • In-depth knowledge of oncology therapeutics, clinical trial methodologies, and medical evidence evaluation
  • Excellent written and verbal communication skills; ability to engage diverse healthcare audiences
  • Established credibility in the oncology community or proven ability to develop professional relationships
  • Willingness to travel throughout California and nationally as needed
  • Commitment to scientific integrity and compliance in healthcare professional interactions

About Exelixis

Exelixis is a biotechnology company committed to developing targeted cancer therapies that extend and improve patient outcomes. Our oncology portfolio addresses multiple cancer types, and we partner with healthcare professionals to advance the standard of cancer care through scientific innovation and evidence-based medicine.

How to Apply

To apply, complete your application directly on this page, or you'll be redirected to the employer's application platform to finish submitting there.

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Working in Valley Home, Stanislaus County

Weather right now in Valley Home, Stanislaus County: checking… · Local time: · Air quality: · Daylight: · UV index: · Wind: · Pollen:

California is a U.S. state in the Western United States that lies on the Pacific Coast. It borders Oregon to the north, and Nevada and Arizona to the east; it also shares an international border with the Mexican state of Baja California to the south. With over 39 million residents across an area of 163,696 square miles (423,970 km2), it is the largest U.S. state by population and third-largest by

🇺🇸 Relocation safety for US: Exercise Normal Cautionvia Warnely, CC BY 4.0

National unemployment rate in US: 4.2%via World Bank

Private-sector wage growth (year over year): 3.3%via FRED

National quits rate: 1.9%via FRED (BLS JOLTS)

GDP per capita in US: $90,027via World Bank

Consumer price inflation in US: 2.9% (annual) — via World Bank

Average hours worked per year in US: 1,800via OECD

Cost of living in California: 10.7% above the national averagevia BEA

Median household income in Stanislaus County: $79,661via US Census ACS / Data USA

Recent seismic activity: 1 earthquake (M4.5+) within 200km in the last 6 months — largest M4.6 near 1 km SE of Boulder Creek, CA. via USGS

Typical climate: average high 76°F / low 51°F year-round (summers around 93°F, winters around 41°F) — via NOAA 1991-2020 Normals

Walkability: Least walkable (3.8/20) — via EPA National Walkability Index

Typical rent nearby: $1,356/mo (1BR) · $1,758/mo (2BR) — via HUD Fair Market Rents

    Source: Wikipedia (state)

    Job details above are provided by the employer/source. The sections on this page are compiled from public data sources with AI assistance.

    Accommodations: if you need a workplace accommodation to apply for or perform this job, see ADA.gov or EEOC.gov for guidance on your rights and how to request one.

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    Listing facts

    • Role Medical Science Liaisons (MSL) Director (Biotechnology, Oncology, CA Region)
    • Employer Exelixis
    • Location Valley Home, Stanislaus County
    • Type Full Time
    • Pay (from listing) $243,500–$310,500/yr
    • Posted November 8, 2025
    • Apply by 2026-08-01
    • Country context US
    • Overview Full original description on this page (384 words; rewritten for clarity, not a teaser paste)

    Facts above come from this job record on Get A Job.AI — not copied from third-party review sites.

    Working in Valley Home, Stanislaus County, California, United States

    California is a U.S. state in the Western United States that lies on the Pacific Coast. It borders Oregon to the north, and Nevada and Arizona to the east; it also shares an international border with the Mexican state of Baja California to the south. With over 39 million residents across an area of 163,696 square miles (423,970 km2), it is the largest U.S. state by population and third-largest by

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