Comcast

Rachel Cohen was promoted to senior director, public policy and external affairs at Comcast Corp. She was director.

Also, Mark Grimmett was promoted to director of business operations for Comcast’s Memphis, Tenn., system. He was director of business operations, Comcast of central Arkansas.

4Kids

Daniel Barnathan was promoted to president, ad sales, 4Kids Entertainment. He was executive VP of sales, marketing and promotions.

Fuse

Michael Roche was promoted to director of ad sales for Fuse’s newly established Midwest region sales office. He was an account executive.

GAC

Kevin Kritch was named vice president of studio operations at Great American Country. He comes from Shop at Home, where he was VP, production and broadcast operations.

Also, Suzanne Gordon was named director of programming. She was director of GAC’s weekly music telecast, Grand Ole Opry Live.

Hallmark

Michelle Vicary was promoted to senior vice president, acquisitions and scheduling at Hallmark Channel. She was VP, program scheduling and administration.

Also, Darren Melameth was promoted to director, programming from senior manager, programming and scheduling, and Mark Davidson was promoted to manager, acquisitions from manager, programming and scheduling.

IFC

Debbie DeMontreux was promoted to vice president of original programming, Independent Film Channel. She was VP, original series and specials.

In Demand

Paul Iannacchino was hired as creative director, In Demand Networks. He comes from USA Network, where he worked on promotional creative for WWE Monday Night Raw, Monk, The Dead Zone, Ring of Fire, The 4400 and the Westminster Kennel Club Dog Show.

Also, In Demand has hired Lee Gerowitz as producer, Howard TV On Demand. He has worked for MTV: Music Television, VH1, Fuse, NBA Entertainment and Comedy Central.

Jason Sirotin also joined Howard TV On Demand as producer. He comes from XY.tv, where he was an executive producer and head of programming and production.

Lionsgate

Allyson Lattman was promoted to vice president, television development. She was director, creative affairs, and will continue to develop one-hour dramas, as well as the Showtime comedy Weeds.

Also, Andy Richley was promoted to director, television development. He has worked on The U.S. vs. John Lennon, a documentary premiering in September, Weeds, and the Mr. T reality series I Pity the Fool.

Nat Geo

National Geographic Channel has named Juliet Blake senior vice president of production. She comes from Scholastic Media, where she was senior VP, programming and development.

NBC Sports

Mark Levy was promoted to vice president and creative director at NBC Sports. He will continue overseeing NBC’s Olympic film and profiles unit and all production and editorial functions at NBC’s HD production facility and development arm, The Edison Project. Also, Joe Gesue was promoted to editorial director, NBC Sports & Olympics and NBCSports.com. He was director of Olympic research, NBC Universal.

Brian Brown was named story editor and senior features and film producer. He was a producer and writer for NBC’s Olympic unit.

And Becky Chatman, also a former producer for NBC Olympics, was promoted to senior producer.

Nielsen

Catherine Herkovic was named general manager of the local business unit of Nielsen Station Index, New York. She was senior VP, sales and marketing.

Sportsman

Mark Kang was named vice president of affiliate sales, The Sportsman Channel. He comes from Court TV, where he was VP, affiliate relations.

Also, Chris Ozminkowski was named director of affiliate sales, Eastern region. He was senior manager, affiliate relations, Court TV.

Synacor

Robert Cavallari was named vice president of finance, Synacor Inc. He was an executive with TeleCove.

Tom Lynch

Jonas Agin was named senior vice president, Tom Lynch Co. He is a writer/producer and has written for The Jersey on Disney Channel, Scout’s Safari on NBC/Discovery Kids, and the N’s South of Nowhere and Romeo!.

Turner

Turner Network Sales, Atlanta, named Lisa Kelly director of affiliate marketing services. She was manager, affiliate marketing services.

Viamedia

John Moran was named general manager of Viamedia Inc.’s Boston sales office. He comes from Country Club Communications, Boston, where he was senior VP.

ViTrue

Bill Jennings was named chief revenue officer, ViTrue Inc. He comes from Lightningcast, where he was chief revenue officer.