Regional Director, Medical Science Liaisons; East

Regional Director, Medical Science Liaisons (East)

Join to apply for the Regional Director, Medical Science Liaisons (East) role at Arcellx.

Who We Are

Arcellx is a public, clinical-stage biotechnology company reimagining cell therapy by engineering innovative immunotherapies for patients with cancer and other incurable diseases. We believe that cell therapies are one of the forward pillars of medicine and our mission is to destroy cancer and advance humanity by developing cell therapies that are safer, more effective, and more broadly accessible.

Our team members are made up of talented innovators and dreamers working from our offices in Rockville, Maryland, and Redwood City, California. At Arcellx, we hire exceptional people and create a fun, diverse, supportive, and informal environment that allows everyone to do their best work.

What Matters To Us

Living our core values is essential to maintaining a work environment that is high-performing, inclusive, and collaborative. We look for candidates who demonstrate strong values alignment and bring different backgrounds, viewpoints, and abilities to the team.

Core Values

• Start with authenticity:
We foster an inclusive environment where each person can bring their authentic self to work.

• Think ‘we’ before ‘me’:
We prioritize collective success, collaborating and supporting one another to achieve our shared goals.

• Embrace the challenge:
We deliver exceptional results by working with shared determination and a commitment to doing what’s right.

The Fine Print – What You’ll Do

Leadership & Team Development

• Recruit, coach, and manage a team of high-performing MSLs, fostering a culture of scientific curiosity, integrity, and collaboration.

• Develop and execute territory plans in alignment with Medical Affairs strategies, which includes interactions with community thought leaders, disease state experts, cell therapy-referring HCPs, and academic centers.

• Monitor territory coverage, scientific engagements, and metrics to optimize team impact and resource allocation.

Field Strategy & Execution

• Lead regional implementation of the medical affairs plan, ensuring consistent, high-quality scientific exchange with key community stakeholders in multiple myeloma.

• Partner effectively with cross-functional departments, such as Clinical Operations, Clinical Development, Marketing, Market Access, Sales, Regulatory Affairs, and Pharmacovigilance and ensure alignment with company priorities.

• Oversee regional congress planning and ensure effective post-meeting insight dissemination.

• Maintain deep scientific and clinical knowledge of cell therapy, immuno-oncology, hematology, and multiple myeloma.

Skills And Experience We Look For

• Advanced scientific degree strongly preferred (Pharm

D, PhD, MD, or equivalent). Master’s degree in health sciences (RN, RPh, PA, NP, etc.) considered if extensive years of clinical and/or medical affairs experience in relevant therapeutic area is present.

• 5+ years of experience in biotech/pharma, including experience in the field and 2+ years of experience in field leadership.

• Demonstrated expertise in hematology and multiple myeloma; cell therapy or oncology experience strongly preferred.

• Proven ability to lead and develop distributed teams in a fast-paced, growing organization.

• Excellent communication, interpersonal, and strategic planning skills.

• Ability to travel extensively within region and occasionally for national meetings.

Successful candidates must live within their region.

Rewards at Arcellx

In addition to a competitive base salary, our compensation package includes an annual bonus based on company goals and an equity (RSU) grant.

Our market-leading benefits package includes: 100% coverage for medical, dental and vision for team members and dependents, unlimited vacation, a 3-day weekend every month, fully-paid parental leave for up to 6 months, tuition reimbursement, 401k employer contribution and more.

Join us in our quest to reimagine cell therapy and destroy cancer. For more on our technology, culture, and team, go to

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