Skip to main contentAdAgeAnswersBetaYour Shortcut to Smarter InsightsLearn More40 Under 40What to know before entering Ad Age 40 Under 40—entries close July 23The 2026 Ad Age 40 Under 40 awards are now open for entries. The final deadline is July 23, 2026, at 5 p.m. ET. (Contributed/Ad Age) May 19, 2026 05:00 AM EDTFeatured StoriesCMO Survival GuideWhat CMOs should do in their first 100 days on the jobCMO tenure is the shortest in the C-suite—new CMOs need to make their early days count. Here is a guide to what they should prioritize in the first 100 days.APByAdrianne PasquarelliTech Power ListAI prompting for experts—13 Tech Power List winners share their strategiesAHByAsa HikenInfluencers & CreatorsCreator and influencer trends brand marketers need to know about right nowGFByGillian FollettOpinionWhy CMOs must become enterprise growth leadersRRByRaja Rajamannar