March Adness 2021: Vote for the Year's Best Advertiser in Adweek's Annual Bracket

Which brand will reign supreme?

Join us at Brandweek Sept. 12–16 in Miami alongside leading CMOs, founders and change makers from Gatorade, Marriott, Alo Yoga, Campbell's, Uncommon James and more. Book now.

It’s back: Adweek’s annual March Adness bracket, in which your votes determine which advertisers should advance and even claim the championship.