André Lenz (born in 1973) graduated at Bochum – Ruhr University in Germany in Economics. He has over 20 years of experience in Controlling. He started his career in 2002 at E-Plus Mobilfunk GmbH & Co. KG in Düsseldorf, in Revenue Controlling before becoming Team Manager Sales Controlling in 2006. He joined T-Mobile Deutschland as Vice President Sales Controlling in 2009 and from 2010 as Vice President Functional Controlling Sales Retail. In 2013 he was the Vice President Planning & Reporting at Deutsche Telekom. In 2014 he joined T-Mobile Austria first as Senior Vice President in Controlling, followed by being Senior Vice President in Controlling & Customer Finance. In 2018 he returned to Bonn, where he took over the role of Vice President in Group Business Controlling with Deutsche Telekom Group Headquarter and between 2021 and 2024, he was Vice President Performance Controlling. As of March 1, 2025, he is the Chief Financial Officer of Magyar Telekom.