Martin Christen is a founding member and partner of Carrier Call AG. He heads up the Development Division and the Professional Service Division.
He started his career as a software engineer and management consultant at ATAG Ernst & Young. This was followed by a longer period spent working at Colt Telecom, where he was Senior Manager for Retail and Wholesale Billing. Martin was the key driving force behind integrating and automating the complex, heterogeneous billing and associated system platforms in the international Colt environment. Together with his team, he built the first OSS and BSS solution framework for Colt Telecom.
Martin holds a Master of Science in Industrial Engineering & Management and a Master Diploma in Software Engineering & Development from Bern University of Applied Sciences (Switzerland).