cotton deloAdvertising Age's San Francisco bureau chief Cotton Delo has left trade pub after three years for DKC's SF outpost.

Delo, who covered social, digital and tech at Ad Age, previously wrote for AOL, Patch.com and the Jersey Journal, among other outlets.

Bay Area clients of New York-based DKC include Airbnb, LinkedIn and McAfee. Michelle Cox, a SVP who joined in April,  heads DKC/San Francisco. She has worked communications and marketing for Chegg, Metacafe, Horn Group and Edelman, among others.