McCann CEO Harris Diamond Is Retiring, Handing Reins to COO Bill Kolb

His retirement marks the end of an 8-year run at the IPG agency

Photo of Harris Diamond and Bill Kolb
Bill Kolb is a McCann veteran who’s held a number of positions at the IPG-owned network throughout his career. Emily Winiker for Adweek

After leading McCann Worldgroup for nearly a decade, chairman and CEO Harris Diamond is retiring at the end of this year.

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@Minda_Smiley Minda Smiley is deputy Agencies editor at Adweek.