One of the “50 vital leaders in tech, media and marketing,” according to Adweek, Kirk is the CEO of GroupM North America (NA). Kirk joins GroupM from WarnerMedia’s Xandr where he most recently served as Chief Business Officer in charge of the go to market functions after holding the role of Chief Marketing Officer for nearly two years. Prior to AT&T, Kirk was President of PubMatic, the marketing automation software company, and also held roles with Time Inc., Fortune|Money Group and CNET Networks, among others.

Throughout his career, Kirk received many accolades including being named to Ebony Magazine’s Power 100 list in 2018, Adweek’s 2014 “12 Stars of Ad Tech Who are Building the Future of the Industry Right Now” list and Business Insider’s 2014 “The 46 Most Important African-Americans in Technology” list, among others.

He currently serves on the Board of Directors for Elanco (NYSE: ELAN), and is a member of the prestigious Executive Leadership Council. He also serves on several other professional and not-for-profit boards including the Ad Council, Advertising Week Advisory Council, and is the co-chair of MOUSE/CI.