SAN FRANCISCO, Dec. 2, 2024 /PRNewswire/ -- Effective today, Ray Day becomes Allison Worldwide executive chairman while continuing his role as Stagwell vice chair. Allison Worldwide Chairman Scott Allison and Vice Chair Andy Hardie-Brown, co-founders of the award-winning global integrated marketing and communications agency, are stepping down from their roles and moving to an advisor capacity.Day has more than three decades of experience as a chief communications officer for leading communications teams, br ...