Centessa is seeking an Inventory Manager, Supply Chain contractor to own inventory planning, control, and reconciliation across the company’s outsourced clinical supply network, including investigational product (IP), comparators, and ancillary materials held at third-party depots, CMOs/CDMOs, and distribution partners. This role ensures accurate, real-time visibility into inventory levels, drives forecast accuracy, and partners closely with external vendors and internal Clinical Supply, Quality, and Finance teams to prevent stockouts, minimize waste, and support uninterrupted trial execution. Reporting to Senior Director, Clinical Supply Chain, this individual will maintain accurate inventory records across systems (e.g., IRT, ERP), lead regular reconciliation cycles with vendors, and identify opportunities to strengthen inventory controls in a fast-paced, vendor-dependent environment.