FILE PHOTO: Sir Martin Sorrell, Founder and Executive Chairman of S4 Capital, attends a conference at the Cannes Lions International Festival of Creativity in Cannes, France, June 19, 2023. REUTERS/Eric Gaillard/File Photo
FILE PHOTO: Sir Martin Sorrell, Founder and Executive Chairman of S4 Capital, attends a conference at the Cannes Lions International Festival of Creativity in Cannes, France, June 19, 2023. REUTERS/Eric Gaillard/File Photo