Charles Bell has served as a member of Twilio's board of directors since March 2023 and serves on the Audit Committee. Since February 2026 he has served as Executive Vice President, Engineer at Microsoft, which he joined in 2021 as Executive Vice President, Security, Compliance, Identity, and Management.
From 1998 to 2021, Mr. Bell served in several roles at Amazon.com, including Senior Vice President of Utility Computing from 2016 to 2021, where he was responsible for Amazon Web Services. He holds a B.A. in Business Administration, Information Systems Concentration, from California State University, Fullerton.