4/14 - | Professor (W2) in mathematics, University of Bremen. | |

4/13 - 3/14 | Senior lecturer in mathematics, University of Bremen. | |

9/06 - 3/13 | Researcher, Centrum Wiskunde & Informatica, Amsterdam, NL (tenured since 9/09). | |

9/05 - 8/06 | Postdoc, Weierstrass Institute Berlin. | |

9/04 - 8/05 | PIMS Postdoc, University of British Columbia und Simon Fraser University, Canada. | |

8/01 - 5/04 | Teaching and research assistant, School of Mathematics, University of Minnesota, USA. | |

8/00 - 7/01 | Teaching and research assistant, Department of Mathematics, Free University Berlin. |

8/01 - 5/04 | Doctoral student, School of Mathematics, University of Minnesota. (PhD advisor A. Scheel.) | |

6/00 - 7/01 | Doctoral student, Dept. Mathematics, Free University Berlin. | |

10/97 - 5/00 | Diploma student, Dept. Mathematics, Free University Berlin. (Diploma advisor B. Fiedler.) | |

9/96 - 9/97 | Studies in Mathematics, Philosophy and Computer Science, University of California at Santa Cruz. | |

3/95 - 8/96 | Studies in Mathematics and Philosophy, University of Göttingen. | |

10/94 - 2/95 | Studies in Mathematics, University of Bremen. |