| 1996- : | coorganized several national and international esperanto meetings i.a. coorganizer of the "international seminar" of the german esperanto youth (gej e.V.) since 1996 |
| 1996-1997: | head of the pen pal office of the german esperanto youth (gej e.V.) |
| 1997-1998: | board member of the esperanto youth brandenburg-berlin |
| 1997-1999: | member of the local organization commitee (lkk e.V.) for the 84. esperanto world congress in berlin 1999, responsible for the youth program |
| december 1998: | invited to lecture about the esperanto world congress in berlin, germany (summer 1999) by the tokyo esperanto club in japan |
| 2000-2001: | member of the local organization commitee (lkk) for the 57. world esperanto youth congress in strasburg, france (summer 2001), responsible for the cultural program |
| 2000-2004: | member of the extended board of the french esperanto youth (jefo) |
| 2001-2003: | member of the board of the german esperanto youth (gej e.V.) until 2003 responsible for international relations, since 2003 responsible for meetings; since 2001 official representative of the german esperanto youth at the world esperanto youth (tejo) |
| 2002- : | active in the work group "esperanto@intereto" |
| 2002-2003: | head of the local organization commitee (lkk) for the 59. world esperanto youth congress in lesjöfors, sweden (summer 2003) |
| other activities | |
| my educational background | |
| my work experience | |
| general cv | |
"I hold it to be the inalienable right of anybody to go to hell in his own way."
Robert Frost