OMD’s Kenny Stewart departs, Antonia Glezakos promoted

March 28, 2025 11:37

OMD has announced some serious leadership changes, with the departure of group MD Kenny Stewart, promotion of national MD Antonia Glezakos, and appointment of a new Melbourne MD.

Stewart spent over eight years in leadership roles with OMD, across Western Australia, Queensland, and Victoria.

He was “instrumental” in the agency’s growth story, most notably with the Brisbane and Melbourne operational expansions, and key business wins including the Victorian Government master media account.

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Lauren McNamara

Lauren McNamara is a freelance journalist. She previously spent three years at Mumbrella, most recently as the associate editor. She left her staff role in August 2025.