Supervisory Board
Ralf Thoenes
Lawyer, Altenburger Rechtsanwälte, Düsseldorf
Commercial training at Dresdner Bank, Dusseldorf
Study of Law at Rheinische Friedrichs-Wilhelms-Universität Bonn
Legal clerk at Mönchengladbach district court
1995–1996 Attorney with Sozietät Dr. von Woedtke Reszel und Partner law firm, Königsallee 12, Dusseldorf
1997–2004 Partner of Sozietät Simon Rechtsanwälte law firm, Königsallee 20, Dusseldorf
Since 2004 Founding partner of Sozietät Altenburger Rechtsanwälte law firm, Freiligrathstraße 28, Dusseldorf
Since 2002 Vice Chairman of the Supervisory Board of 3U HOLDING AG, Marburg; since 7 August 2007 Chairman of the Supervisory Board
Further memberships in domestic statutory supervisory boards
Chairman of the Supervisory Board of 3U ENERGY AG, Marburg
Stefan Thies
Tax consultant, Thies & Thies Steuer beratungsgesellschaft mbH, Heinsberg
1986–1991 Study of business administration at Justus-Liebig-Universität Gießen (Audit, Tax, Private Law)
1991–1995 Auditing and consulting at Ernst & Young GmbH, Dusseldorf
1995–1997 Manager in the Controlling and Operating Divisions of Deutsche Bau- und Grundstücks AG, Bonn
Since 1997 Tax Advisor in Heinsberg, since 2002 as Managing Partner of Thies & Thies Steuerberatungsgesellschaft mbH
1998–2008 Chairman of the Supervisory Board of mediaMotion AG, Cologne
Since 2010 Member of the Supervisory Board of 3U HOLDING AG, Marburg; since 21 May 2015 Vice Chairman of the Supervisory Board
Further memberships in domestic statutory supervisory boards
No other mandates
Michael Schmidt
Graduate Engineer
Studies in communications engineering at the University of Applied Sciences Gießen-Friedberg
1995–1997 Self-employed businessman in the field of telecommunications and IT
1997 Co-founder of 3U Telekommunikation GmbH
1997–2001 Head of Technology at 3U Telekommunikation GmbH
1999 Vice Chairman of the Supervisory Board of 3U Telekommunikation AG
Dec. 2001 Appointed to the Management Board of 3U TELECOM AG
2001–2011 Member of the Management Board of 3U TELECOM AG
2011–2022 Spokesperson of the Management Board of 3U HOLDING AG, which was renamed in 2007
Since 2022 Member of the Supervisory Board of 3U HOLDING AG, Marburg
Further memberships in domestic statutory supervisory boards
No other mandates
Lenard Lange
Managing Director of TOMPAT Invest GmbH, Munich and Solution Consultant at Trellix Germany GmbH
Apprenticeship as IT specialist specialising in system integration at 3U TELECOM GmbH, Marburg
2018-2019 IT system administrator - 3U Telecom GmbH
2019-2020 IT System Administrator - Münchner-Verein Insurance Group
2020-2021 IT Security Analyst - TTI, Inc.
2021-2024 IT Security Consultant at Computacenter AG & Co. oHG
Since 2023 Managing Director of TOMPAT Invest GmbH, Munich
Since May 2023 Member of the Supervisory Board of 3U HOLDING AG, Marburg
Since 2024 Solution Consultant at Trellix Germany GmbH (formerly McAfee)
Further memberships in domestic statutory supervisory boards
No other mandates