Medical Science Liaison (Southwest)

Role Summary

Medical Science Liaison (MSL) for the Southwest, part of the field-based medical team reporting to the MSL National Field Director. Serves as a key scientific resource and expert on cell therapy for health care professionals and internal stakeholders, facilitating relationships with thought leaders, delivering external-facing medical education, and gathering insights to inform medical strategies and future clinical programs. Travel domestically is expected to support field activities.

Responsibilities

• Establish and maintain professional relationships with HCPs (MD, PA, NP, RN, PharmD) within the hematology space via in-person and virtual interactions.
• Develop and execute territory plans aligned with Medical Affairs strategies, engaging community thought leaders, disease state experts, cell therapy–referring HCPs, and academic centers.
• Compliantly partner with field-based teams to optimize HCP support and customer service.
• Deliver approved medical and scientific education relevant to disease state and Arcellx products.
• Share insights from external thought leaders and HCPs to inform medical strategies and future clinical programs.
• Represent Arcellx at medical and scientific conferences.
• Partner with clinical operations to support the execution of clinical trials.
• Domestic travel of approximately 50-70% will be required.

Qualifications

• Required: Advanced degree in health sciences (PharmD, M.D., or Ph.D. in a medically related field) with 2+ years of relevant experience in hematologic malignancy or cell therapy; or Master’s degree in health sciences (RN, RPh, PA, NP, etc.) with extensive clinical/medical affairs experience.
• Required: 2+ years of experience in MSL/Medical Affairs in a relevant therapeutic area (senior level possible for experienced candidates).
• Required: Familiarity with healthcare systems and access environments; ability to partner, influence, and collaborate across functions and leadership levels.
• Required: Excellent communication and presentation skills with strong personal integrity.
• Required: Agile, adaptable, results-oriented.
• Required: Resides within the territory.

Skills

• Strong scientific acumen and ability to translate complex data for diverse audiences.
• Effective stakeholder engagement and relationship-building skills.
• Strategic planning and territory management capabilities.
• Strong collaboration across cross-functional teams.

Education

• Advanced degree in health sciences (PharmD, M.D., Ph.D.) or equivalent; alternative Master’s degree considered with extensive clinical/medical affairs experience in relevant area.

Additional Requirements

• Domestic travel of 50-70% may be required.