John Chen is a business executive known for his leadership in the technology sector. He has served as the CEO of BlackBerry Limited, a company that transitioned from a smartphone manufacturer to a software and cybersecurity provider. Under his guidance, BlackBerry has focused on developing secure communication solutions and enterprise software. Before joining BlackBerry, Chen held key positions at Sybase, where he played a significant role in revitalizing the company. He has a strong background in software development and business strategy, contributing to his reputation as a skilled leader in the tech industry.