Therapeutic Account Manager, Liver - Los Angeles South

MISSION Mirum Pharmaceuticals is a biopharmaceutical company dedicated to transforming the treatment of rare diseases. We are passionate about advancing scientific discoveries to become important medicines for rare disease patients. We are collaborative, creative, and experienced professionals and we’re looking to augment our team with other individuals who embody our values: care, be real, get it done, and have fun, seriously. POSITION SUMMARY  The Therapeutic Account Manager (TAM) is responsible for delivering strong, sustainable business performance and meaningful patient impact across an assigned territory. The TAM develops deep clinical and account expertise in rare cholestatic liver diseases and Mirum's Liver portfolio; identifies and prioritizes high-opportunity customers, accounts, and referral networks; and executes customized account plans that advance disease awareness, appropriate patient identification, treatment consideration, initiation, and persistence in accordance with approved indications and promotional practices. The ideal TAM is not a transactional seller. This individual is a clinically credible, insight-led partner who engages healthcare professionals as a peer, asks thoughtful questions, constructively challenges clinical inertia, and influences change across complex accounts. The TAM works closely with the Regional Business Director and cross-functional partners to connect customer needs, patient journeys, referral pathways, access dynamics, and business opportunities while demonstrating curiosity, high emotional intelligence, resilience, ownership, and consistent follow-through. JOB FUNCTIONS/RESPONSIBILITIES Territory Strategy & Business Performance Develop and execute a focused territory business plan aligned with national, zone, and regional priorities, with clear objectives, customer priorities, resource allocation, and measures of success. Use performance data, customer insights, market intelligence, access dynamics, and competitive trends to identify opportunities, anticipate barriers, and make timely adjustments to territory strategy and execution. Delivers territory business objectives through disciplined prioritization, high-quality customer engagement, effective resource stewardship, and accountability for both behaviors and results. Maintain accurate and timely customer records, forecasts, expense reporting, required administrative documentation, and business updates in accordance with company expectations. Strategic Account Management & Network Development Identify, prioritize, and develop high-opportunity accounts, health systems, centers of excellence, and referral networks across pediatric and adult hepatology and gastroenterology. Create and execute customized account plans that reflect the local patient journey, key stakeholders, clinical decision-making, referral patterns, access considerations, customer needs, and competitive realities. Build trusted relationships with physicians, advanced practice providers, nurses, pharmacists, office staff, and other members of the care team by delivering relevant value and consistent follow-through. Map influence and decision-making within complex accounts, establish clear objectives for each engagement, and secure appropriate next steps that advance the account strategy. Coordinate compliant account actions across Mirum field partners, clarify ownership, and maintain momentum against agreed priorities and customer needs. Clinical Aptitude & Customer Engagement Develop and maintain deep knowledge of rare cholestatic liver disease, diagnostic pathways, mechanisms of action, clinical data, product profiles, approved uses, safety information, patient support pathways, access and reimbursement, and the evolving competitive landscape. Communicate complex scientific and clinical information clearly, accurately, and credibly, tailoring the discussion to the knowledge, needs, and priorities of each healthcare professional and account. Engage healthcare professionals as a clinically credible peer by asking insightful questions, listening actively, uncovering unmet needs, and connecting relevant evidence and resources to the customer's practice. Execute approved promotional programs, resources, and customer engagements with consistency, clinical relevance, sound judgment, and full adherence to company policies and regulatory requirements. Influence & Impact Help customers recognize gaps in disease awareness, patient identification, referral, treatment consideration, and ongoing support by reframing issues and connecting insights across the patient journey. Use high emotional intelligence, curiosity, credibility, and thoughtful questioning to build trust with skeptical, change-resistant, or highly experienced healthcare professionals. Influence multiple stakeholders without authority, navigate resistance constructively, and balance persistence with judgment, empathy, and respect for customer boundaries Customer, Patient & Caregiver Impact Keep patients and caregivers at the center of territory and account decisions, with a clear understanding of the journey from disease recognition and diagnosis through treatment initiation and persistence. Support a customer experience grounded in trust, empathy, responsiveness, urgency, and reliable follow-through with healthcare professionals and care teams. Collaborate compliantly with Market Access and Patient Services partners to help care teams understand available resources and navigate appropriate barriers in the patient journey. Identify recurring customer, access, and patient-support barriers; elevate them objectively and promptly; and partner with the appropriate internal teams to improve execution and support. Cross-Functional Collaboration & Field Insights Build productive partnerships with Medical Affairs, Market Access, Patient Services, Marketing, Commercial Training and Effectiveness, Operation