• apl. Professor, University of Tübingen
  • Habilitation, University of Tübingen
  • Dr. rer. nat., University of Tübingen
  • Dipl. Phys., University of Tübingen

Employment history

  • Adjunct Research Fellow, Centre of Mathematics for Applications, Oslo
  • University Lecturer, Institute for Astronomy and Astrophysics, Tübingen
  • Privatdozent, Institute for Astronomy and Astrophysics, Tübingen
  • Postdoctoral Researcher, MPI for Mathematics in the Sciences, Leipzig
  • Postdoctoral Researcher, MPI for Gravitational Physics, Potsdam
  • Postdoctoral Researcher, Mathematical Institute, Oxford
  • Postdoctoral Researcher, MPI for Astrophysics, Garching
  • Postdoctoral Researcher, Department of Physics and Astronomy, Pittsburgh

Visiting positions

  • Visiting Professor, Institut de Mathématiques de Bourgogne, Dijon, June 2015
  • Visiting Professor, Institut de Mathématiques de Bourgogne, Dijon, June 2009
  • Visiting Professor, Department of Physics, Kraków, April-June 2003

Honours, Awards, Fellowships

  • Fellow of the Royal Society of New Zealand, 2013
  • Visiting Fellow of the Polish-German Academy, 2003
  • Feodor-Lynen-Fellow of the Alexander-von-Humboldt Foundation
  • Supervisor of the year 2013 award, Division of Science, University of Otago

Research Activities

  • Grants as PI
    • Marsden Grant Gravitational waves from rotating black holes, 2020-2023
    • EU-Network IPaDEGAN, Integrable partial differential equations in geometry, applications and numerics, 2018-2024
    • Otago Research Grant Transformation optics: The science of cloaking, 2012
    • Otago Research Grant A symplectic approach towards quasi-local energy-momentum in general relativity, 2011
    • Marsden Grant, Global simulation of gravitational waves from isolated systems, 2010-12
    • IRSES EU-grant Random and Integrable Models in Mathematical Physics, 2010-14
    • RSNZ travel grant for collaborations within IRSES
    • Otago Research Grant, A symplectic approach towards quasi-local energy-momentum in general relativity, 2009
    • SFB 382/B5 Numerics of geometrical variational equations, 2004-06
    • SFB 382/B9 Discrete differential forms in general relativity, 2004-06
    • NATO CLG Global simulations of Einstein-Yang-Mills-Higgs systems, 2003-05
    • SFB-TR7/A2Gravitational waves from isolated systems, 2003-06
    • DFG-grantSmall oscillations of relativistic elastic bodies, 2005-08
    • DFG-travel grant 1998
    • DFG-grant for Habilitation, 1997-99
    • EU-grant (SCIENCE), 1992-94
    • DFG-grant, 1992-94, (declined)
    • Feodor-Lynen fellowship, Alexander-von-Humboldt Foundation, 1988-90
    • Graduate fellowship, State of Baden-Württemberg, 1983-86
  • Grants as AI
    • Council Marsden Grant, Gravitational waves: sources and signals, 2022-2024
    • Marsden grant, Causality and cosmological models in general relativity, 2012-15
    • DFG-GrantAnalysis of drag-reducing air-water interfaces, 2006-10

Professional Activities

  • Organisations
    • Specialist Advisor for PBRF round 2012
    • Member of the advisory board to the topical group Gravitation and Relativity
      within the German Physical Society (DPG), 1998-08
    • President of topical group Gravitation and Relativity within the DPG, 2004-08
    • Member of the Executive Council of the DPG, 2006-2008
  • Journals
    • Member of the editorial board for ISRN Mathematical Physics
    • Member of the editorial board for General Relativity and Gravitation
    • Guest editor for Annalen der Physik
  • Conferences, seminars, and workshops
    • Member of Program Committee, ANZAMP meeting 2013
    • Head of Organising Committee, ACGRG6, Queenstown, February 2012
    • Co-organizer of The NZ Mathematics Colloquium, Dunedin, December 2010
    • CMA-Workshop Conceptual problems in computational gravity, Oslo, October 2007
    • DFG-Round table discussion, Gravitational Physics in Germany: Status and Perspectives, 5. November 2005, Bad Honnef
    • Annual conferences of topical group Gravitation and relativity, 2005-07
    • SFB-Summer school ”Structure and Dynamics of compact objects, 20.-25. September 2004, Golm
    • Heraeus-Seminar Mathematical Relativity: New developments and ideas, 1.-5. March 2004, Bad Honnef
    • Workshop Numeric and analytic properties of the Einstein equations, 6.-9. August 2003, Tübingen
    • Workshop The conformal structure of spacetimes, 1.-4. April 2001, Tübingen