| 1996-2001 | Executive Assistant, Comtech GmbH, Stuttgart |
| 2001-2002 | Assistant Manager, Meinl Bank AG, Vienna |
| 2002-2004 | Authorised Officer, C-Quadrat Kapitalanlage AG, Vienna |
| 2004-2010 | Member of the Board and one of the principal shareholders, ALIZEE Investment AG, Vienna |
| since 2007 | Principal Shareholder, MIRA Investments GmbH, Vienna |
| since 2008 | One of the principal shareholders, CRESCO Investigation GmbH, Vienna |
| 2010-2012 | Member of the Board, Chief Financial Officer, Chief Operating Officer and principal shareholder, I-New Unified Mobile Solutions AG, Mattersburg |
| 2010-2015 | Principal Shareholder, ER MEDIA Group GmbH, Vienna |
| 2011-2012 | Managing Director and one of the principal shareholders, BRIGHTROOM Innovation GmbH, Mattersburg |
| since 2012 | One of the principal shareholders, TRUMMER HOLDING Inc, New York |
| 2012-2013 | Chairperson of the Supervisory Board, I-New Unified Mobile Solutions AG, Mattersburg |
| 2012-2016 | Shareholder, Superfly Radio GmbH, Vienna |
| One of the principal shareholders, Sugarman Entertainment GmbH, Vienna |
| since 2013 | One of the principal shareholders, VANGARDIST Media GmbH, Vienna |
| 2013-2014 | Restructuring Management, gooix Group Trading GmbH, Linz |
| since 2014 | One of the principal shareholders, WINGPAPER GmbH, Vienna |
| Managing Director, Partner and one of the principal shareholders, ooom Holding GmbH, Vienna |
| Managing Director and one of the principal shareholders, DATAFICIAL Intelligence GmbH, Vienna |
| 2015-2016 | Managing Director and one of the principal shareholders, DEEP NATURE Project GmbH, Gols |
| since 2015 | Managing Director and one of the principal shareholders, DEEP HEALTH Project GmbH, Vienna |
| since 2016 | Group Chief Innovation Officer, UNIQA, Vienna |
