Jeff Steinhour and Markham Cronin have launched Markham & Stein, based in Coconut Grove, Florida. Steinhour is one of the four original partners of Crispin Porter + Bogusky, having spent the past
23 years there, most recently serving as vice chairman. Cronin spent a decade alongside Steinhour at CP+B before moving to leadership roles at Carmichael Lynch and Brighthouse, ultimately founding his
own shop, Markham Unlimited in 2005.