Thomas Sieber

Thomas Sieber serves as the Chairman of the Board at Axpo Group since September 2015 and has been a Member of the Board of Directors at HCL Technologies since December 2015. Sieber's previous board roles include membership at Sierra Wireless (January 2014 - January 2023), GARAIO AG (August 2013 - April 2020), RTX A/S (January 2014 - January 2016), and chairmanship at Limmex AG (January 2015 - April 2016) and Salt Mobile (October 2012 - December 2015). Notably, Sieber was the CEO of Orange Communications SA from August 2009 to October 2012, where significant improvements in commercial performance and network quality were achieved, culminating in the successful sale to Apax Partners. Experience also includes a tenure at Fujitsu Siemens Computers from August 2001 to July 2009, culminating as Executive Vice President of Sales, managing a substantial business volume and leading multiple international boards. Sieber began a career in the technology sector at Hewlett-Packard as General Manager for SMB, EMEA. Academic credentials include a lic.oec. HSG degree in Organization from the University of St.Gallen.