The 29 best people in advertising to follow on Instagram Lara O'Reilly Advertising Jun. 17, 2016, 12:13 AM 1. Pierce Thiot, art director at Chiat/Day. WHY? He asks his 121,000 followers for suggestions of objects he should place in his beard — and duly obliges. Share Tagged In advertisingAppleFacebookGoogleHow ToInstagramPowerfulTechthelife Discuss Comments are closed.