Who We Are

Arcellx isa 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.

Arcellx 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. How You'll Make a Difference

We are seeking a highly motivated, field-based marketing leader to join our Commercial team as Associate Director, Regional Marketing & Thought Leader Liaison (TLL). This role will be critical in shaping and executing Arcellx's thought leader and key customer engagement strategy in the U.S., with a specific focus on supporting the launch and growth of anitocabtagene autoleucel (anito-cel), our lead CAR T candidate for relapsed/refractory multiple myeloma.

This individual will serve as a key interface between Arcellx and regional/national thought leaders, academic centers, and influential community networks. The TLL will act as a bridge between the field and home office teams, generating actionable insights to inform brand strategy, educational initiatives, and speaker engagement efforts. This is a non-sales role that works in close partnership with colleagues across Commercial, Medical Affairs, and Market Access, as well as with Kite Pharma through our co-promotion agreement.

The "Fine Print" - What You'll Do Identify, engage, and maintain relationships with thought leaders and key customers within the multiple myeloma and CAR T space. Support regional advisory boards, executive encounters, and educational initiatives. Collaborate with cross-functional partners to ensure cohesive external engagement across all customer-facing teams. Capture and synthesize field insights to inform brand planning, promotional messaging, and HCP education efforts. Assist with the development of a national and regional thought leader map, engagement planning, and KOL capabilities assessment. Provide key input into the planning and execution of medical and commercial congress activity, including ASH, ASCO, EHA and IMS. Contribute to the creation of compliant, value-added customer engagement tools and resources. Skills and Experience We Look For Bachelor's degree required; advanced degree (PharmD, PhD, MBA) preferred. 8+ years of experience in biopharmaceutical industry, with at least 3-5 years in hematology/oncology; experience in multiple myeloma or CAR T is strongly preferred. More experienced candidates may be considered at the director level. Prior experience in field marketing, key customer marketing, or thought leader liaison roles is highly desirable. Demonstrated ability to engage credibly and compliantly with academic and community thought leaders. Strong collaboration skills and ability to operate effectively in a matrixed environment. Proven ability to extract, analyze, and communicate field insights to inform strategy. Excellent organizational and communication skills, with high attention to detail. Comfortable operating in a fast-paced launch environment and navigating ambiguity. Travel up to 70% required.

Rewards at Arcellx

Our people are our greatest asset, and supporting their well-being is an essential part of delivering on our mission and impacting the lives of patients. Putting this belief into practice means offering strong compensation and benefits.

The estimated base salary range for this position is $190,000 - $225,000 per year. Final salary will be determined based on factors such as level of hire, years of experience, and location. Our compensation package also includes an annual bonus based on company goals and an equity (RSU) grant. We do offer relocation assistance for roles if required.

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 www.arcellx.com