Matt Kline, Wavelength Photo courtesy of subject courtesy of subject As part of a push to expand partnerships with content-minded brands, Wavelength has hired advertising veteran Matt Kline as chief growth officer.
In this newly-recreated role, Kline will oversee Wavelength’s brand partnerships and growth strategy, working with marketers to develop projects across film, television, Broadway, sports and digital. The move comes as the company doubles down on its production capabilities, recently opening a 10,000-plus square foot creative campus in Los Angeles in an effort to expand creative and brand-facing capabilities and provide space for collaborating artists to work onsite.
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“As brands look to connect more meaningfully with their audiences, their entertainment strategies and focus on great storytelling have never been more important,” says Kline, “Wavelength’s ability to harness the best talent and to craft stories in any format and medium — from the big screen to Broadway and YouTube — is rare in the branded space and makes us the perfect partner for ambitious brands and agencies looking to disrupt the traditional advertising mode.”
Founded by Jenifer Westphal, Wavelength has built a name across verticals with particular success in documentary features (Won’t You Be My Neighbor, Feels Good Man, Where’s My Roy Cohn?) and Broadway (Tony-winning The Outsiders).
Kline joins Wavelength during an expansion phase. The company added four senior executives in the last six months, including head of film Stacey Reiss and head of marketing Tiffany Wang. In 2026, Wavelength expanded into sports through the acquisition of Dan Bradley and Jon Weidman’s creative agency Duplex Deli.
Most recently serving as CMO at Publicis Groupe as CMO for two full-service creative agencies, The Community and Fallon, Kline previously worked at Anomaly New York, Kobe Bryant-founded Zambezi and CAA.
“I am thrilled to have Matt join us in this pivotal role as Wavelength continues to expand across every genre of entertainment,” Wavelength president and co-CEO Joe Plummer said of Kline’s hiring. “Matt brings the experience, thoughtful consideration and great instincts that characterize everything we do.”
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