Roll Call: Ketchum, MSLGROUP, Waggener Edstrom Worldwide, and More

Ketchum has promoted partner Amanda Sefton to director of its Global Healthcare Practice. Ms. Sefton will remain in London and will assume her new role on Dec. 1. During the transition, she will continue serving as managing director of the London Healthcare Practice. A search is underway for her successor in that role. (Release)

MSLGROUP North America has named Shellie Winkler as North America practice director of its health and corporate practices. With more than two decades of experience, Winkler most recently worked at Edelman, where she was general manager of corporate and public affairs operations for the New York office.

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