MediaVest elevated LISA DONOHUE and JIM KITE to president.

Horizon Media promoted STACY SANCHEZ to account supervisor; AMANDA MORRIS was elevated to planner; and ANDRE ALFA was promoted to account executive.

Mullen Detroit named JOYCE KAREL as senior vice president, account director. Karel will lead the GM Cardmember Services business and play an integral role in the overall management and growth of Mullen’s Detroit office. Karel joins Mullen from Whirlpool, where she served as marketing director.

Madison Square Garden named LEWIS SHERR as senior vice president of marketing partnerships for MSG Media. Sherr will oversee sponsorship sales efforts for all Madison Square Garden divisions, as well as develop strategies and programs to reinforce the MSG experience. Before joining MSG Media, Sherr was vice president of client partnerships at Time Warner Global Marketing.

RENEE MOFFITT joined The Motion Picture Company as vice president, marketing director.

Comcast Spotlight promoted KELLIE GRUTKO from senior director of marketing to vice president of marketing. Grutko oversees advertising, field marketing, sports marketing, promotional sponsorships, creative services and public affairs.

ANDY JACOBSON, a former Google and DoubleClick executive, joined LeadStream as senior vice president of sales. Jacobson will oversee the development and implementation of LeadStream’s category-specific direct sales strategy. KEVIN KELLER joined the company as vice president of search engine marketing. Keller will be responsible for traffic generation, optimization strategies and oversight of SEM campaign management.

KYLE SHERWIN was named vice president, media, creative group at Sony BMG Music Entertainment. He previously worked for Universal McCann's Digital Communications Practice as vice president, group media director.

Mediaedge:cia elevated NATHALIE ALFRED to director, corporate communications global, responsible for driving internal and external corporate communications worldwide. She joined the agency in 2000 and previously served as partner, marketing and communications. In addition, MEC Bravo hired DIANE LIBRIZZI and EDWIN CAMACHO as partner, account director and account manager, respectively. The pair will handle MEC Bravo accounts, Macy's and Berlex, and focus on new business.

STEVE BERNSTEIN was named president of Bernstein-Rein, becoming only the second president since the company was founded in 1964. He previously served as senior vice president/chief operating officer.