January 2, 2018

Pharma exec Cox to leave Protein Sciences following Sanofi takeover

Manon Cox, former Protein Sciences CEO.

Manon M.J. Cox, former CEO of Meriden-based Protein Sciences, which was acquired this past summer by pharmaceutical giant Sanofi, will soon leave the company, officials said Tuesday.

In an emailed statement, Sanofi Pasteur, a division of Sanofi based in Swiftwater, Pa., confirmed Cox's imminent departure from Protein Sciences, though its spokesperson would not say if it is voluntary.

"Sanofi Pasteur confirms that Manon Cox will leave Protein Sciences to pursue other opportunities," the company said. "Protein Sciences has been successfully and fully integrated into Sanofi Pasteur and, as such, there is no role of CEO for Protein Sciences. Separation has been done in compliance with Manon Cox's existing working contract."

Cox, who joined Protein Sciences in 1998 as director of business development, was most recently president and CEO since April 2010, and a director since 2008. Her profile remains on the company website with the title "transition task force leader" under her photograph. A voicemail left at her office was not returned.

Sanofi acquired the company in late August 2017 in a deal worth up to $750 million, depending on achievement of certain milestones, Sanofi said at the time.

Before the acquisition was completed, Cox told the Hartford Business Journal the deal was the culmination of long-term and recent efforts to establish the firm's products in the global market, and that she was eager to retain an active role at the company.

The company's eggless flu vaccine Flublok, the only vaccine of its type to be authorized by the U.S. Food and Drug Administration, was approved in 2013, and by 2016, had become available in prefilled syringes.

Cox was named one of HBJ's Women in Business award winners in 2017.

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