oOh!Media managing director and CEO Brendon Cook has announced he will step down from the company and board during 2020.
Cook will remain in his role and on the board until the completion of a global executive search.
He will then work on the board to ensure an "orderly and seamless" transition to a new CEO.
oOh! chairman Tony Faure acknowledged Cook's contribution to the company over the past 30 years.
"On behalf of the board and the entire team at oOh!, I want to thank Brendon for his enormous commitment and dedication to building and leading our business over the past 30 years," Faure says.
"We look forward to continuing to work with Brendon in his new role."
Cook says he believes now is the time for him to make the transition.
"I look forward to continuing to be a supportive, long term shareholder providing strategic advice to the company once transition to a new leadership is complete."
The board has commenced a process with a global search firm to appoint a new managing director and CEO.
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