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since 2016 | Global Payments, Inc., Atlanta, USA |
| 2023 Executive Vice President Chief Digital Officer and Deputy Chief Information Officer (CIO) |
| 2021–2023 Executive Vice President und Chief Technology Officer, Consumer Solutions, Data und Architecture |
| 2019–2021 Chief Technology Officer, Consumer Solutions, Data and Architecture |
| 2017–2019 Senior Vice President, Software Engineering |
| 2016–2017 Vice President, Application Delivery |
2013–2016 | Mspark, Inc., Helena, USA, Chief Information Officer |
2011–2013 | Epicor Software Corporation (former ShopVisible, LLC), Austin, USA, Chief Operating Office |
2010–2011 | Points of Light Institute, Atlanta, USA, Chief Technology Officer |
2001–2009 | Atlanticus Holdings Corporation (former Compucredit), Atlanta, USA |
| 2008–2009 Vice President, IT |
| 2007–2008 Executive Director, UK Technology |
| 2006–2007 Strategic Initiatives |
| 2003–2006 Director, eBusiness |
| 2001–2003 Associate Director, Shared Services |
1996–2001 | Total System Services, Inc., Columbus, USA |
| 2001 Director, Client Services |
| 1996–2001 Associate Director, Client Relations |