Simulmedia hired Mark Green as senior vice president, product strategy, a new position. Green will be based out of Simulmedia's New York headquarters.

hhgregg announced that its chief marketing officer, Julie Lyle, has been named the 2015 chairperson for the Global Retail Marketing Association Advisory Board.

Nick Kaplan joined Barton F. Graf 9000 as creative director. Kaplan joins the agency from Wieden + Kennedy NY where he was a creative director for Equinox, Southern Comfort and ESPN.

Stephen Arnold Music hired Scott Saldinger as named vice president of strategy & vision management.

Giant Spoon hired Mikael Greenlief and Caleb Smith as senior strategists. Greenlief most recently served as a media supervisor at GSD&M where he helped lead communications planning and strategy across clients including RadioShack, Campbell's and L.L.Bean. Smith most recently served as a senior social engagement strategist at Translation where he worked on State Farm, heading up the brand's day-to-day social strategy and concepting.

Katie Nelson has been named national editor of The Huffington Post.

CTPartners added Trish Shortell as a partner based in New York. She joins CTPartners from WPP Group, where she served as senior vice president of executive recruitment & talent management.

Xerox hired John Kennedy as chief marketing officer and vice president.  Kennedy joins Xerox from IBM, where he was vice president, global business services, responsible for marketing and demand generation for the company’s business services division.

Association of Surfing Professionals International tapped Mark Noonan as chief commercial officer.

The Barbarian Group hired Alex White as chief financial officer, and Sherri Chambers as head of account management. White was previously chief financial officer Rainey Kelly Campbell Roalfe (RKCR)/Young & Rubicam and Chambers previously served as head of account management at JWT.