Language skills: (1 – excellent; 5 – basic)
| Language | Reading | Speaking | Writing |
| German | 1 | 1 | 1 |
| English | 1 | 1 | 1 |
| Portuguese | 1 | 1 | 1 |
| French | 3 | 3 | 4 |
| Spanish | 2 | 3 | 3 |
Regional experience:
| Country | Date from – Date to |
| South Africa | 07/2009–11/2010 |
| Angola | 10/2017-12/2017, 07/2009–03/2011, 09–12/2008, 06–07/2008, 01–02/2008, 02–03/2006, 01–07/2005, 08–09/2004, 05–06/2004, 02–03/2003, 02–03/2000, 01–02/1999, 10–11/1998 |
| Botswana | 07/2009–11/2011 |
| El Salvador | 02/2013–04/2013 |
| Guatemala | 04/2013–05/2013 |
| Guinee Bissau | 02/2004–03/2004 |
| Honduras | 04/2013–05/2013 |
| Kenya | 08/2017–10/2017; 04/2016–10/2016; 05/2011–08/2012 |
| Mozambique | 05–06/2018; 07–08/2018; 07/201–09/2017; 03–04/2014; 07/2013–10/2013, 09–11/2012, 05–06/2012, 07/2009–11/2011, 01–04/2009,03–05/2008, 03–09/2007, 04–07/2006, 09–11/2005, 2001–2002, 1994–1996; |
| Nepal | 04/2010–07/2010 |
| Namibia | 07/2009–11/2010 |
| South Africa | 07/2009–11/2010 |
| Tanzania | 01–02/1999 |
| Zimbabwe | 10–11/2011, 06–07/2011, 06/2009–11/2010, 01–02/1999 |