Toby Jenner has been named global CEO at Wavemaker and will take on the role in September. Jenner, currently MediaCom’s worldwide COO, succeeds Tim Castree, now GroupM’s North American CEO. 

"Toby has been an outstanding contributor to our group’s growth for more than 15 years. In his 11 years at MediaCom, he’s been instrumental in delivery of breakthrough client work, a winning streak on award circuits regionally and globally, and powerful business development performance," said GroupM global CEO, Kelly Clark. "He will be a strong leader with the very talented team at Wavemaker."

Prior to becoming chief operating officer, Jenner held the MediaCom roles of global chief business development & marketing officer, Asia Pacific COO, and CEO of Australasia. He originally joined GroupM as managing director of MEC in the UK.

Jenner said he was joining a business with "a great team, a great client portfolio, and a track record in delivering growth for brands. Like any business, I’m sure there are areas where we can be stronger. We’ll address those as a team and take the agency on to even greater success moving forward".

Added Jenner: "I’d like to thank everyone at MediaCom. Across 11 years, four different continents and four different roles, I’ve had the opportunity to meet the most amazing people who’ve all been instrumental in preparing me for this new chapter."