John Sims, President, Global Enterprise Services at BlackBerry, came to the company from his previous position as President of SAP's Mobile Services. Sims has taken charge of enterprise at BlackBerry and, along with CEO John Chen, is keeping things on track for BlackBerry in the enterprise space.

"I am pleased to welcome such a seasoned executive as John to BlackBerry to help lead our key business operations through our ongoing reorganization and transition," said John Chen, Executive Chair and CEO of BlackBerry. "His extensive experience in transforming businesses, redefining brands and motivating teams will be a tremendous asset to BlackBerry as we reshape the Company to be more nimble and focused. The changes we are making demonstrate our commitment to innovating for current customers who count on BlackBerry, and the new users who are just learning how powerful and compelling the BlackBerry 10 platform can be. John will be central to all of those efforts."