Kate Ryan

Managing Director, US

Kate oversees Diffusion’s U.S. operations in both New York and Los Angeles and provides strategic counsel across the agency. With more than 15 years of experience, Kate has managed and executed award-winning PR and social media campaigns for a wide variety of B2B and B2C brands in the U.S. Her specialty lies in executing the creative campaigns that truly move the needle for her clients, leading her teams to win more than 50 industry awards for excellence in PR.

While at Diffusion, Kate’s campaigns for clients have included breaking the Guinness World Record for “Longest TV Binge Watch” with CyberLink; introducing the world to the first consumer iteration of IBM Watson in the category-creating CogniToy; making Burrow’s flagship sofa the ‘internet’s favorite sofa’; overseeing the U.S. PR rollout for Mobileye, the makers of software for self-driving cars as well as the corporate PR program for the USA TODAY NETWORK.

She has also driven programs that have helped clients be acquired by Red Hat, Synchrony Financial and Intel. Prior to her work at Diffusion, Kate oversaw the North American PR programs for a variety of corporate clients including cybersecurity provider Radware, serviced office provider Regus and mobile application developer Kony Solutions.

Kate was named one of Bulldog Reporter’s “Stars of PR” and one of PRSA New York’s 15 Under 35. In 2020, she was named one of the Top Women in PR by PR News. She has also served on the Board of Directors for PRSA-NY.

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