Olivier Loeillot was named President and CEO and has served on the Board since September 2024. He joined Repligen in October 2023 as President and Chief Commercial Officer, where he had responsibility for driving the Company's commercial strategy and expanding the market impact of Repligen's business units in bioprocessing.
Mr. Loeillot joined Repligen from his most recent role as CEO of Ascensus Specialties, a manufacturer of specialty chemicals for use in the life sciences and pharmaceutical markets. Mr. Loeillot previously served a combined 12 years with Cytiva (a Danaher Corporation company) and GE Healthcare Life Sciences. At Cytiva, he served as Bioprocess President from 2018 to 2022, overseeing the overall Bioprocessing portfolio from cell culture media to purification resins and including process equipment, single-use technologies and enterprise solutions. There, he was also instrumental in building and leading the Enterprise Solutions business, managing the Bioprocess Asia business in Singapore, and directing the Genomics and Cellular Research division.
Prior to Cytiva, Mr. Loeillot served a combined 12 years with Lonza, advancing to Vice President Sales, Lonza Custom Manufacturing. He also acted as Vice President Sales for Lonza AG's custom manufacturing business and led the Microbial Biopharmaceuticals group. Mr. Loeillot earned his Master's degree in Chemistry in 1993 from the European High Institute of Chemistry of Strasbourg, France, and later completed a M.B.A. program at CESMA Business School of EM Lyon.
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