Frenemies
Page 37
by Ken Auletta
* Ben Thompson, Stratechery, September 6, 2017.
* In April 2018, Gotlieb announced he was stepping down as global chairman of GroupM.
* Patrick Coffee, “WPP Tightens the Screws on Cannes Lions Owner amid Threats to Skip Next Year’s Festival,” Adweek.com, September 27, 2017.