Mallinckrodt plc announced that Paul O'Neill has been appointed Executive Vice President, Quality & Operations, Specialty Brands, effective immediately. Mr. O'Neill previously served as the Company's Senior Vice President, Quality & Operations, Specialty Brands. He will continue to be responsible for leading Quality & Operations for Mallinckrodt's Specialty Brands business, overseeing internal and external manufacturing, supply chain distribution, device engineering, quality, technical services and product support.

In addition, Mr. O'Neill will join the Company's Executive Committee. Since joining Mallinckrodt, Mr. O'Neill has led several key initiatives in Mallinckrodt's Specialty Brands business. He has more than 25 years of experience in manufacturing operations, plant start-ups, technology transfer and supply chain management and has held numerous leadership positions at biopharmaceutical companies, including Merck, Pfizer and Wyeth.

Prior to joining Mallinckrodt in March 2023, Mr. O'Neill served as Executive Director, Biologics Operations, at Merck where he was responsible for the supply strategy of Keytruda. Mr. O'Neill joined Mallinckrodt as Senior Vice President, Quality & Operations, Specialty Brands, in March 2023. Before joining Mallinckrodt, he served as Executive Director, Biologics Operations, at Merck, and was responsible for overseeing the end-to-end supply strategy of Merck's Keytruda and biologics (mABs) pipeline portfolio.

Prior to that, Mr. O'Neill held leadership positions at Pfizer and Wyeth in plant operations, supply chain management, new product launches, site start-ups and network design. Mr. O'Neill holds an MBA from the Alfred Lerner College of Business & Economics at the University of Delaware and a BSc in Food Science and Technology from University College of Cork.