David Lee is the VP of Platform at RingCentral. Prior to RingCentral, David was VP of Product Management at Box where he headed up the product management team. He oversaw integrations for end-user, enterprise, mobile, desktop and partner solutions. Before that Lee was a Sr. Product Manager at Yahoo in Display Advertising team for video advertising, where he led the engineering team that introduced new ad offerings that improved the performance of video ad campaigns by 300%. He was also instrumental in securing a partnership deal with Comcast. Before Yahoo, David worked at WebEx where he was responsible for rolling out WebEx's MeetMeNow service. Early in his career, David worked as a systems engineer at Boeing's Commercial Aircraft division. David Lee has been issued 4 U.S. patents. He volunteers with Acceleprise mentorship program for pre-seeded SaaS start-ups.