**About Artiva** We are a clinical\-stage biotechnology company focused on developing natural killer (NK) cell\-based therapies. Our mission is to develop effective, safe, and accessible cell therapies for patients with devastating autoimmune diseases. We aim to develop therapies that patients and physicians can utilize in a community setting. Our lead product candidate, AlloNK®, is a non\-genetically modified, cryopreserved NK cell therapy being evaluated in combination with B\-cell targeted monoclonal antibodies (mAbs). We believe the compelling cell\-killing properties of NK cells, when combined with mAbs for targeting, create an opportunity to generate potentially transformative therapies. For more information, visit www.artivabio.com Join Artiva Biotherapeutics in San Diego and work directly on the manufacturing floor to produce our innovative, off\-the\-shelf cell therapies in a state\-of\-the\-art cGMP facility. Apply your expertise across cell culture, aseptic processing, harvest and fill\-finish, playing a direct role in advancing therapies for patients with autoimmune diseases. For more information, visit www.artivabio.com. **Role Overview** As a Senior Medical Science Liaison, you will be a foundational member of Artiva’s first field medical team, serving as the scientific and clinical expert for your assigned region. The Senior Medical Science Liaison role is a highly visible, individual\-contributor position responsible for representing Artiva’s scientific and clinical data to the medical community within an assigned region, while partnering closely with the Executive Director, Medical Affairs Europe to execute the national field medical strategy. We are seeking an experienced, strategic\-minded Medical Science Liaison with start up and/or other clinical trial expertise. In this highly visible role, you will be a cornerstone of our field medical strategy, engaging directly with key opinion leaders and healthcare providers to advance Artiva’s scientific and clinical goals. **Key Responsibilities** Scientific Leadership \& KOL Engagement * KOL Mapping \& Validation: Partner with the Executive Director of Medical Affairs to validate, refine, and prioritize regional KOLs, while identifying new and emerging academic researchers, community clinicians, and advocacy stakeholders within the assigned territory. * Scientific Exchange: Lead peer\-to\-peer scientific discussions regarding the company’s therapeutic pipeline, mechanisms of action, and complex clinical data. * Medical Education: Support the planning and execution of medical advisory boards, symposia, and clinical training sessions for HCPs. Clinical Trial \& Launch Strategy * Serve as liaison between clinical investigators and internal stakeholders in support of Artiva sponsored research studies. * Act as liaison between external clinical investigators, internal colleagues and CRO staff to assure timely follow\-up of all communications and to be a resource for site support. * Work closely with Clinical Development and Clinical Operations team to understand protocol nuances and triage, as appropriate, any insights regarding recruitment barriers or protocol queries. * Develop, maintain, and manage collaborations with regional and national KOLs, investigators, study staff (site staff and CRO staff), nurses, pharmacists, and office managers. * Identify and build collaborations with KOLs for medical education and potential clinical research opportunities. * Assist in the development of strategic KOL plans to provide needs\- based, value\-added services. * Serve as a local medical and scientific resource for the medical community. * Provide feedback on specific sites and regional trends, thoughts, paradigms to identify and/or inform potential protocol amendments, accrual barriers, patient/study subject identification. * Complete accurate and timely administrative reports, projects, and other required documentation. Clinical Development: Support clinical trial operations within your region by identifying potential trial sites, assisting with feasibility assessments, and promoting enrollment. * Insight Generation: Serve as the field\-based conduit between healthcare providers and headquarters, synthesizing clinical insights and competitive intelligence into actionable recommendations for Medical Strategy. * Pre\-Launch Readiness: Collaborate with Clinical, Regulatory, and Commercial teams (while maintaining strict compliant medical independence) to support a seamless product launch and patient access strategy within the region. Medical Congress Coverage \& Strategy * Congress Coverage: Represent Artiva at major medical congresses (e.g., ACR, EULAR, regional and country specialty society meetings), executing the congress strategy set by the Executive Director, Medical Affairs Europe. * Coordinate pre\-congress preparation and session coverage within your region, partnering with the broader field medical and HQ teams. * Scientific Exchange: Lead peer\-t