Joseph Castillo

Joseph Castillo is a seasoned purchasing professional with over 18 years of experience in supply chain management and procurement. Currently serving as a Senior Purchasing Specialist I at Halozyme Therapeutics, Inc. since November 2011, Joseph has excelled in managing vendor relationships, analyzing cost-saving measures, and sourcing compounds for critical projects. Prior roles include Purchasing Analyst at Senomyx, Inc., where responsibilities ranged from placing requisitions to liaising with internal stakeholders and suppliers. Earlier roles featured positions such as Receiving Clerk and Warehouse Assistant Supervisor, showcasing strong inventory control and logistical skills. Joseph holds an A.A.S. in Marketing from State University of New York - Delhi.