Mike Lazaridis

Mike Lazaridis will be stepping down from the board at BlackBerry effective May 1, 2013. He and Jim Balsillie had both remained on the board after stepping down as co-CEOs last year, however Jim left the board in May and sold off his remaining BlackBerry shares a few months ago.

Mike will remaining on the board for a few more weeks before officially stepping down from his position as Vice Chair.

"With the launch of BlackBerry 10, I believe I have fulfilled my commitment to the Board," Lazaridis said. "Thorsten and his team did an excellent job in completing BlackBerry 10. We have a great deal of which to be proud. I believe I am leaving the company in good hands. I remain a huge fan of BlackBerry and, of course, wish the company and its people well."

You can read more on this and the BlackBerry year-end results in the full press release.