Leslie Sims

Sims joined from Deloitte Digital, where she built a modern, multidisciplinary demand marketing engine in her role as U.S. Chief Creative Officer of Deloitte Digital.

With more than 25 years in creative leadership roles at major advertising agencies, Sims joined Deloitte Digital in 2021 to build and connect the cross-channel teams managing all aspects of the customer journey for clients — from awareness and consideration to trial and repeat — infusing creativity throughout every brand touchpoint. Leading the U.S. creative and experience design teams, she created award-winning, brand-defining experiences for clients across all industries, from food to entertainment, surfacing the breadth of possibilities an integrated creative system can engender.

Prior to Deloitte, Sims served as U.S. Chief Creative Officer for Ogilvy and also Young and Rubicam, respectively, leading large cross-functional creative teams whose charter was to build brands and drive demand.

Sims has produced award-winning and business-transforming work for Fortune 500 organizations and brands of all kinds, including IBM, General Mills, Mastercard, Staples, Girl Scouts, Pfizer, Land Rover and others. She offers extensive experience in the food space, having worked with dozens of food and restaurant brands like Burger King, Joe’s Crab Shack, and Macaroni Grill, as well as brands owned by General Mills, including Nature Valley™, Big G Whole Grain Initiative, Cinnamon Toast Crunch™ and Betty Crocker™.

Sims’ work has been recognized by every major global awards show, including the Webby Awards, Cannes Lions, The One show, Clios and Effies. She served on numerous international award show juries, including as a Cannes Lion award juror five times. She recently judged the industry’s most sought-after award, Cannes Lion Titanium, which recognizes creative work that transcends categories. She has also served on the prestigious Grand Effie award jury.

Sims serves on the board of directors for The One Club for Creativity and for the Clemson University Erwin Center.