* Marni Shulman-Tucker has joined Alliance Atlantis as its VP of content for Showcase Action, Showcase Diva and IFC, coming over from CTV Travel. AA has also promoted Muriel Solomon to VP of marketing and publicity for its lifestyle networks.

* Michelle van Beusekom is the new assistant director general of English programming at the National Film Board, taking over the post previously held by Ravida Din, who is now exec producer of the NFB's Quebec Centre.

* Natalie Bélanger has been named director of programming at Seville Pictures in Montreal, replacing Marie-Pierre Cole.

* Sam Linton has joined Montreal-headquartered prodco/distributor Cineflix as head of factual production for science and history, coming over from a development post at RTR Media. Linton is based in the Toronto office.

* Emmy winner Gord Cutler is back in the CTV fold, as exec producer of its sister NHL Network, after 11 years at the Fox network.

* Neil Coligan has been appointed executive producer of news and current affairs at APTN, and will be based in Winnipeg, while Aimee Powell is now a sales manager, working out of the channel's Toronto office.

* Vancouver toonco Studio B Productions has hired veteran entertainment lawyer Jeffery E. Wittmann as director of business and legal affairs.

* CBC journalist Paul Workman has jumped to CTV News to be the net's South Asia bureau chief.

* Darren Budrow is the new head of sales at Iroquois, ON-based Ross Video. He has served as the firm's sales manager for Asia since 2002. *