Alloy Media + Marketing hired Margaret Kim as vice president, programming for Alloy Digital. Prior to joining Alloy Digital, Kim was director of programming at The History Channel.

ScanScout hired Tina McCain as sales manager for the southeast region.

T.A.G. SF, the unit of McCann Worldgroup SF, an Interpublic agency that launched in 2007, will cease to exist. Partners Scott Duchon, Mike Harris and John Patroulis are launching agencytwofifteen a full service agency/creative and strategic think tank owned by Interpublic.

Wieden+Kennedy announced that Todd Waterbury has resigned as co-executive creative director of Wieden+Kennedy New York, effective May 1. Waterbury is leaving the agency to start an as-yet-unnamed creative/strategic consultancy.

Rich Tlapek and Scott Macgregor, former vice presidents and group creative directors at GSD&M, created a new advertising agency called Sacred Cow Advertising.

Starcom promoted Vickie Southworth to executive vice president and Anne Enright, Art Sindlinger and Becky Walden to senior vice presidents.

Colle+McVoy hired Lisa Holzemer as a senior interactive producer; Ben Clymer as an interactive designer; Fabien Dodard as a junior art director; Jenny Kirmis as a junior copywriter; Brice Hemmer as a junior interactive designer/developer; and Tom Ferrara as an interactive developer.

LifeStreet Media hired Diana Donovan as marketing director.

Leslie North was named vice president, digital and emerging technologies at The Martin Agency.

Dave McClain joined BLITZ as senior creative director. Previously, McClain led accounts for ESPN, Intel, Nissan and Infiniti at Razorfish.