Sef Tuma is the Chief Technology and Information Officer at BT International, a role held since 2025. With over 27 years of experience in industry disruption, Sef has transitioned from a stack architect to a strategy consultant and global business lead. Prior to this, they led practices at Accenture, focusing on Product Engineering and Manufacturing, while nurturing high-performing teams and pioneering digital transformation initiatives. Sef holds a Bachelor of Science in Electric and Computer Engineering from Carnegie Mellon University, which they completed in 1996.
Location
London, United Kingdom