Therapeutic Account Manager, Liver - Newark

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 comp