T. A. McCann a vice president in charge of all social networks at BlackBerry left the company two weeks ago according to the Wall Street Journal. He joined Blackberry when his contact-management company Gist was acquired in 2011.
Marc Gingras whose social calendar company Tungle.me was also acquired by RIM in 2011 also left the company in recent weeks. He had been tasked with retooling the calendar and contacts applications for BlackBerry 10 the phonemaker's new operating system.
BlackBerry had tried to convert both men to stay according to WSJ.