The Group Manager, PDO is a member of a team charged with ownership of end-to-end alignment of Arrowhead products from preclinical through commercial phases. This role is accountable for assigned projects and provides leadership to cross-functional CMC teams from drug substance process development through delivery of clinical kits. This role oversees both internal and external CMC activities to ensure alignment with program timelines, quality standards, and regulatory requirements. The position will have direct reports and is responsible for mentoring, performance management, and team development. In addition, this individual is partner-facing, serving as a key point of contact for stakeholders and external partners. The role will manage external relationships, including partnerships, and act as the primary contact for contract manufacturing organizations (CMOs) and contract research organizations (CROs) supporting development, analysis, manufacturing, packaging, and labeling activities for Arrowhead drug development programs.