AMC hired Nancy Kane Leidersdorff as vice president of media planning. Leidersdorff joins AMC from Nickelodeon Networks where she was vice president of media planning in the Programming Department.

Bonfire hired Mark Coleran as design director. Previously, Coleran spent three years as director of human interaction & visual design at Gridiron Software.

Kate Solinsky joined Time Inc. as account director representing the Fortune brand across all platforms including print, online, ipad and conferences.

AKQA named Rachel Lawlan as planning director; Sebastian Kemmler, Simon Wassef, James Filmer and Gabriella Petter as senior strategic planners; Sarah Waite as strategic planner and David Prentell as associate strategic planner.

SapientNitro hired Jake Benjamin as a creative director in New York. Prior to joining SapientNitro, Benjamin was a senior copywriter for Goodby Silverstein & Partners.

Neil Cleary joined Allen & Gerritsen as vice president, director of audience intelligence and brand planning group.

MediaCom hired Jason Lim as managing partner, director of direct response marketing. Lim joins MediaCom from Halogen Response Media, where he was senior vice president, media director.

Chris Hayes was named chief marketing officer of Young & Rubicam, North America. Hayes joins the agency from Euro RSCG 4D, where he was marketing director, Europe, based in Amsterdam, as well as global brand director on the agency's Unilever account.

Matt MacDonald was elevated to executive creative director at JWT New York.

PJA Advertising + Marketing named Robert Davis senior vice president, digital marketing for its east and west coast operations.