Since 2006, Harald Neumann has served as Managing Director of G4S Security Services AG, Vienna in Austria, the Czech Republic and Slovakia. From 1988-91 he was with Schrack Components, Vienna, in the positions of Controlling Manager and Assistant Manager. From 1991-93 Neumann was General Manager of Schrack Components AG, Switzerland-91. From 1993-2001 he was employed at Alcatel Telecom AG, Vienna, and previously as Regional Director of Services for the e-business Group Central Europe Headquarters. From 1999 to 2001 he was the General Manager of CEE. From 2001-02 Heumann served as General Manager for  Desktop Services & Solutions for T-systems Austria. At the beginning of 2003 he was Technical Manager for Federal Data Center GmbH, and from March 2005 until Jan 2006 also responsible for sales and marketing.