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| Karsten Risch |
Evoke has brought on Karsten Risch, MD, PhD, MPH as chief medical officer, a newly established role. Risch joins Evoke from Havas Health & You, where he served as CMO. He has also held medical positions at WPP agency Greyhealth Group and IPG firm Lowe Healthcare. Risch is also chairman of the Coalition for Healthcare Communication, as well as a guest lecturer at such institutios as Columbia Business School, Icahn School of Medicine at Mt. Sinai and Fairleigh Dickinson University. In his new post, he will lead the agency's science & medicine practice, implementing standard medical approaches, providing strategic value and scaling best practices.
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| Mark Flanagan |
London-based Portland has named Mark Flanagan its new CEO, effective January 2020. Tim Allan, who founded the agency in 2001, is leaving at the end of this year. Flanagan was previously Portland’s UK managing director. Before coming to Portland, he served as head of strategic & digital communications in the UK prime minster’s office. Portland is also joining forces with Omnicom consultancy GPLUS in January as part of a strategic move to bolster its international footprint.
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| Tessa Horehled |
Hill+Knowlton Strategies has appointed Tessa Horehled as director of content + publishing strategy for the US. She was most recently planning director and Berlin strategy lead for international design firm AKQA, and has been an IBM cognitive commerce futurist, offering thought leadership on the future of commerce. Horehled ran a culture and entertainment blog for 11 years and has served as an influencer for many consumer brands. She will be based in New York.




Nick Mammano, who was president/CEO of the New Jersey Sports and Exposition Authority, has rejoined Mercury Public Affairs as a managing director in its Saddle Brook office.
Seven Letter hires Allie Raffa, who was most recently White House correspondent for NBC News, as a senior director... Points of Light, an organization founded by President George H.W. Bush that is dedicated to volunteer service, names Jeff Zanelli as CMO... Frontieras North America, an energy and environmental technology company, appoints Nora Shepard as VP of communications.
Alcoa has named Emily Olson, who has more than 20 years of experience working in capital-intensive industries in the Americas, Europe and Asia, EVP & chief external affairs officer, effective April 6.
Longacre Square Partners has named Humza Vanderman partner and head of its London outpost as the financial communications firm expands into Europe.
FGS Global adds former Pfizer EVP and chief corporate affairs officer Sally Susman to its global executive board as an independent member, effective April 1... Codeword brings on Kim Baffi, who was previously Salesforce VP and creative director, as executive creative director... Amperity, an AI-powered customer data cloud, appoints Bridget Perry as CMO.



