David Sipes

Chief Operating Officer

As RingCentral’s Chief Operating Officer, David Sipes leads innovation, engineering, global sales, marketing, customer care, international operations, corporate development, and business development.
Sipes has an extensive eight-year history in business management at RingCentral, overseeing a variety of key functions, most recently serving as Chief Revenue Officer and, prior to that, Vice President of Corporate Development.
Before joining RingCentral, Sipes was co-founder and COO of Branders.com, the nation’s largest online B2B seller of promotional items. 
Prior to that, Sipes worked in brand management at PepsiCo and was a principal at Booz Allen Hamilton in their marketing intensive group, providing strategic guidance to marketing and media companies such as Heinz Company, Callaway Golf, and Universal Pictures.
Sipes holds a master’s degree in business administration with an emphasis in marketing from Kellogg School of Management at Northwestern University, as well as a bachelor’s degree in business from the University of California, Berkeley.