Tjasso Roossien

Tjasso Roossien is an IT Manager with extensive experience at KPN since September 1989, currently holding the position of IT Manager Billing Excellence and Chapter Coach, where Tjasso focuses on developing colleagues within a dynamic organization. Tjasso has held various leadership roles including Manager IT Delivery Mobile, responsible for innovation in mobile application chains, and Delivery Manager IT overseeing mobile service and distribution innovations. Previous positions encompass Project Manager for Proposition Development in the Business Market, Principal Product Innovator, Chain Manager for Customer Service Corporate, and several managerial roles in project management, engineering, and software development. Tjasso's early career included a software development role at V&D. Educational qualifications include a Bachelor of Science in Information Technology from Hanze and recent studies at Inholland Academy.