Longtime TD Ameritrade CMO leaving for top marketing post at Sirius XM

It’s the end of an era for Denise Karkos at TD Ameritrade. After nine years with the brokerage brand—and four years with its affiliate TD Bank—TD Ameritrade’s chief marketing officer is on the move. Karkos recently accepted a position as chief marketing officer at SiriusXM.She is known for bringing data and analytics into the marketing equation. At TD Ameritrade, she was able to use numbers to illustrate how effective a creative campaign could be—because of tha