Zaheer Abbas

Zaheer Abbas is an experienced Change Operations Manager currently at Callsign since November 2021. Previously, Zaheer held roles including Senior Change Manager at dentsu international from August 2018 to October 2021 and Head of Change Management at GCI from January 2016 to August 2018, where responsibilities included overseeing change management in line with the ITIL framework and chairing various advisory boards. Zaheer's earlier experience includes positions at Vodafone as Change Manager, managing customer-impacting changes, and at Genesis Communications and O2 (Telefónica UK) in billing and customer service roles. Zaheer holds a Bachelor of Science in Business Finance and HND in Business and Finance from The University of Salford and has a foundational education from Holy Cross College and Broad Oak High School.