—Oprah Winfrey Network: Liz Dolan has signed on as CMO for OWN, effective January 2009. Most recently, she headed up marketing at NIKE and in 2001, created talk radio show “Satellite Sisters” with her four sisters. In her new capacity, Dolan will be responsible for all on-air, print, radio and online marketing.

—MTV and VH1: Richard Gay has been promoted to EVP-strategy and operations for MTV and VH1, having previously held a similar position for VH1 and CMT. While he will be adding MTV duties to his VH1 role, his CMT responsibilities will be assumed by Suzanne Norman, SVP-business operations and strategy for CMT.

—Peerset: Social media exec Mike “JB” John-Baptiste joins Peerset as CEO and will also serve on its board of directors. Chetan Mathur, who led the search for this post, will remain executive chairman of the tech company. John-Baptiste comes from End2End Solutions, a digital sports ad social media marketing agency he founded, where he was president. Release.

The rest is after the jump...

—Paramount: Sandi Isaacs is leaving as Paramount’s SVP of interactive and mobile after being at the company for eight years. A spokesperson said Isaacs, the film studio’s top games executive, is leaving to look for new opportunities, and plans a move to New York City. It’s not clear when Isaacs will leave, but it may correspond with finding a replacement. Full details on mocoNews.net...

—Universal: Universal Pictures Digital Platforms SVP Jeremy Laws told friends by email that his last day at the company is Friday. Laws said he has no immediate plans for what he is doing next, and it is unclear if Laws’ departure is part of the NBC’s company goal of cutting costs by $500 million, which includes the reduction of some 500 jobs. Full details on mocoNews.net.

—Newseum: USA Today’s Ken Paulson will succeed Peter Prichard as president and COO of the Newseum and the Freedom Forum. According to an internal memo by USAT president and publisher Craig Moon posted on Romenesko, Paulson, editor since 2004, starts his new job in February; Prichard, also USAT editor before moving to the non-profit, will work on special projects for a year before retiring.