AdvertisingAppointmentFeatured CEO switch at Omnicom’s DDB worldwideKikelomo OyenugaOctober 6, 2023October 6, 2023 by Kikelomo OyenugaOctober 6, 2023October 6, 2023022 Omnicom’s DDB Worldwide announced today that Alex Lubar is succeeding Marty O’Halloran as Global CEO of the agency network. O’Halloran will continue as chairman. The...