RingCentral, Inc. announced that Mo Katibeh will join the company as Chief Operating Officer. Katibeh will be responsible for RingCentral's products, sales, marketing, and customer experience. Over his 20 year career, Katibeh held multiple executive positions at AT&T, including EVP Chief Product & Platform Officer and EVP Chief Marketing Officer of AT&T Business where he oversaw all product and marketing responsibilities, as well as go-to-market sales for digital, wholesale, and indirect channels - and was recognized as one of the World's Most Influential CMOs by Forbes for 2019 and 2020.

Under Katibeh's leadership, AT&T established a multi-billion dollar communications, collaboration, and security business, driving market leading growth through development and deployment of innovative cloud-based technologies.