J-Source  recently published an original infographic, which depicts changes in the Canadian media landscape as a non-stop game of musical chairs. For PR experts, up-to-the-second knowledge of media shifts is important—not only for career development but also to ensure we’re always adding value for clients.

Wherever Canadian media personalities land, their Twitter profiles are a constant and one of the best ways to keep tabs on their comings and goings. Here are 10 such media who’ve been on the move during the past six months. Be sure to follow them on Twitter now before they’re off again:

Steve Ladurantaye @sladurantaye: In December 2013, after six years as a media reporter at the Globe and Mail, Steve left for Twitter Canada. He now focuses on reporting news and government partnerships, tweet by tweet.

Karine Ewart @karine_ewart: Karine joined Chatelaine as editor-in-chief in January 2014, after spending two and a half years as Today’s Parent’s editor-in-chief.

Sasha Emmons @semmons: Sasha was named editor-in-chief of Today’s Parent in February 2014 after a successful freelance career writing about all-things-parenting.

Bruce Arthur @bruce_arthur: After writing for the National Post for more than a decade, Bruce joined the Toronto Star in April 2014 as a sports columnist.

Robyn Doolittle @robyndoolittle: Robyn has had a busy year. She released a best-selling book on Mayor Rob Ford and moved from the Toronto Star to the Globe and Mail’s investigative reporting team in April 2014.

David Walmsley @WalmsleyGlobe: David returned to the Globe and Mail as editor-in-chief in March 2014, replacing John Stackhouse, after spending two years as director of news content at CBC News.

Paul Waldie @pwaldieGLOBE: In April 2014, Paul was named editor of the Globe and Mail’s report on business. Previous roles include European bureau chief for the Globe and Mail stationed in England, Financial Post reporter and the National Post’s national editor.

Tim Bousquet @Tim_Bousquet: Editor at The Coast until March 2014, Tim plans to launch a website this month that will focus on municipal government, local businesses and investigative reporting in Halifax.

Dawn Walton @CTVdawnwalton: Dawn became CTV News’ managing editor in March 2014 after working as a freelance journalist for outlets like the Globe and MailMaclean’s and Canadian Press.

Catherine Cullen @Cath_Cullen: A Montreal CBC reporter, Catherine joined the organization’s Parliament Hill bureau in Ottawa in April 2014.