As chief customer officer, Dione is responsible for Sumo Logic’s customer operations and renewals, including customer success, professional services, global support, and education. Dione has over 25 years of experience in enterprise IT that range from start-ups to high growth public companies and brings a passion for building customer outcome driven organizations in SaaS companies and instilling the operational rigor needed for scale as well as personally managing client executive relationships. Prior to joining Sumo Logic, Dione was executive vice president of customer success at Apptio, where she successfully helped the company scale from a start-up and through a public offering as well as executive leadership positions at Precise Software Solutions and Mercury Interactive. She holds a B.S. in computer science and engineering from the University of California, Los Angeles.