Leo-Geert has over 20 years' experience in various technical managerial roles, predominantly in telecom organisations. He joined Liberty Global in 2001 and moved to Ziggo in 2014 where he became CTO in 2016. Vodafone and Ziggo merged in 2017. Leo-Geert now is responsible for the Fixed networks in VodafoneZiggo, incl HFC, Access, IP/Core networks, Backbone, Video Services, Voice services, Internet services and Datacenters. Prior to Liberty and VodafoneZiggo, Leo-Geert worked for Philips, TNO and IBM and during the 6 years at IBM took several development and management positions at Ahold and PriceWaterhouseCoopers. Leo-Geert has a degree in language & speech technology from the University of Utrecht and he did his master thesis at Sheffield University.