Kirstine is responsible for Canadian operations at Twitter, including its advertising business and partnerships. Prior to joining Twitter in May 2013, Kirstine was the executive vice-president of CBC’s English services, CBC/Radio-Canada, where she oversaw CBC’s English radio and audio, television and digital operations. Earlier, she was senior vice-president of programming for Alliance Atlantis where she headed up brands HGTV, Food Network, National Geographic, BBCCanada and others.
Kirstine earned a bachelors degree from the University of Toronto, and is a graduate of the Global Leadership in the 21st Century program at Harvard University's Kennedy School of Government. Most recently, Playback Magazine named Kirstine their Person of the Year 2012, and Strategy Magazine recognized her leadership in taking CBC to Brand of the Year 2012. She is @kirstinestewart on Twitter.