Burson CCO Sullivan Exits
Thu, May 7, 2026
By Kevin McCauley
Catherine Sullivan, global chief communications officer at Burson, has exited the WPP unit after a 12-year run.
| Category: PR Firms | Return to Latest News |
Catherine Sullivan, global chief communications officer at Burson, has exited the WPP unit after a 12-year run.
Six Flags Entertainment Corporation hires Amy Martin Ziegenfuss as CMO, effective June 3. Ziegenfuss was most recently CMO at Carnival Cruise Line... Narrative Strategies brings on Hanna Beckman and Rich Casale as senior directors... Grayling has appointed Maury Postal as EVP, creative strategy and innovation services... HMH (Houghton Mifflin Harcourt), an educational publisher and technology company focused on K–12 education, assessments and professional learning, names Jessica Naeve CMO.
Infinite, a communications and reputation management firm, has acquired Dukas Linden Public Relations, which represents some of the most prestigious financial institutions in the U.S.
MikeWorldWide acquires HudsonLake, a strategic communications firm specializing in organizational change, employee experience and workforce communications.
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Fenton has earned the #1 spot in O'Dwyer's annual ranking of PR firms serving the nonprofit sector, solidifying its position as a top PR firm in one of the industry's most demanding and fast-growing categories. |
The AI revolution has transformed how public relations agencies work and deliver value to clients. But it’s also changed how buyers value those firms, and understanding AI’s influence on valuation is essential for agency owners planning on selling in the future.
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(Clockwise): Anton Nicholas, Benjamin Faull, Greg Hassel & Joe Anthony O’Dwyer’s interviewed financial communications professionals at some of the top-ranked agencies representing the financial services sector to hear what factors influenced their performance in 2025 and what trends they see on the horizon after coming off a historically volatile year. View O'Dwyer's ranking of the top financial PR firms for 2026 |
Institutional Shareholder Services advises investors to vote "no" on a compensation package for WPP chief Cindy Rose at the May 8 annual meeting.
Public Policy Holding Company’s MultiState Assocs. government relations unit has hired Lee Cowen and Nicholas Evans via the acquisition of their respective firms, Cowen Consulting and Putnam Strategies.
Dan Boyle, special assistant to Donald Trump, has joined Mercury Public Affairs as senior VP. He’s based in Tallahassee.
Struggling WPP and rampaging Omnicom have something in common. It's 6.7 percent... Nonsensical Comey indictment and Melania's war on Jimmy Kimmel are sure signs that Team Trump is falling apart... Black Rock pulls the plug on offshore wind project to please the nation's No. 1 hater of 'ugly' offshore windmills.
WPP reported a 6.7 percent drop to $3.1B in Q1 like-like revenues less pass-through costs. CEO Cindy Rose says 'it will take time to outpace historical losses."
Dan Martin, who most recently oversaw the healthcare practice at PAN Communications, has come on board at V2 Communications as EVP, healthcare practice lead.
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Clockwise: Kathy Bloomgarden, Lou Hoffman, Carol Carrubba, Phil Nardone, Laura Macdonald, Marty McDonald & Bo Park The mantra “every company is a tech company” has been circulating for at least the past 10 years, but with the takeover of AI, that was truer than ever in 2025. View O'Dwyer's ranking of the top technology PR firms for 2026 |
FGS Global has named Weber Shandwick veteran Ethan Bauley head of its AI advisory. He will counsel clients about how AI is reshaping media, workflows and reputation and what to do about it.
FTI Consulting CEO Steve Gunby, 68, has changed his mind about stepping down in 2027, according to a report in the Financial Times.
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Clockwise: Lou Hoffman, Joe Anthony, Curtis Sparrer, Jean Serra, Samara Morman, Chris Rosica, Ryan Cohn & Stephanie Graves Last year was a good one for the majority of those taking part in O'Dwyer's ranking of top PR firms for 2026 with 44 out of 140 showing double-digit gains, ranging from 10.1 percent to 66.7 percent. Another 50 showed single-digit gains, three were flat and 42 posted losses. |
Publicis Groupe reported 4.5 percent Q1 organic growth in net revenues to $4.1B despite the volatile macro environment.
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