Curricula Vitae

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since 01/2017                                                                                                                                                                                                                Group Leader at the Fritz-Haber-Institut, Molecular Physics Department                                                                                    Liquid-Jet photoelectron spectroscopy (PES) research

2008 - 2016                                                                                                                                                                                                             Staff Research Scientist - Deputy Head of Institute                                                                                                                       Helmholtz-Zentrum Berlin at the Electron Storage Ring BESSY II, Berlin, Germany

1994 - 2008                                                                                                                                                                                                             Staff Research Scientist                                                                                                                                                                                      Max Born Institute for Nonlinear Optics and Short Pulse Spectroscopy, Berlin, Germany

1991 - 1994                                                                                                                                                                                              Postdoctoral Researcher                                                                                                                                                                                    Max Planck Institute for Plasma Physics (IPP), Garching, Germany

1989 - 1991                                                                                                                                                                                              Postdoctoral Researcher                                                                                                                                                                            Argonne National Laboratory, Lemont, IL, USA

1988                                                                                                                                                                                                                            Dr. rer. nat. (Physics)                                                                                                                                                                                           Free University Berlin, Berlin, Germany

Scientific Employment

since 01/2017                                                                                                                                                                                                     Group Leader at the Fritz-Haber-Institut, Molecular Physics Department                                                                                    Liquid-Jet photoelectron spectroscopy (PES) research

  • Chemical reactions at the gas-aqueous solution interface
  • Aqueous-phase metal-oxide nanoparticles and their early-stage formation
  • Photoelectron circular dichroism from biological molecules in water
  • Aqueous microjets at low temperature

2008 - 2016                                                                                                                                                                                                             Staff Research Scientist - Deputy Head of Institute                                                                                                                       Helmholtz-Zentrum Berlin at the Electron Storage Ring BESSY II, Berlin, Germany

  • Pioneering work on photoelectron spectroscopy on highly volatile liquid solutions using the Liquid-Jet technique
  • Investigating bulk and interfacial solvation and solute interfacial distributions important for both
    biological systems and atmospheric chemistry
  • Assessing the electron mean free path, electron probing depths into solution,
    and electron angular-emission distributions
  • Studies on the electronic relaxation dynamics and hydration structure as well as energy and
    charge transfers in aqueous solution

1994 - 2008                                                                                                                                                                                                             Staff Research Scientist                                                                                                                                                                                      Max Born Institute for Nonlinear Optics and Short Pulse Spectroscopy, Berlin, Germany

  • Construct and operate the MBI User Facility at BESSY
  • Studying photon-induced dynamical processes in condensed matter, e.g., fullerene thin films
    and adsorbed organic molecules, using a combination of short pulse lasers with VUV synchrotron radiation
  • Investigating the electronic structure of the surface and bulk of liquid water, aqueous salt, acid and base solutions

1991 - 1994                                                                                                                                                                                              Postdoctoral Researcher                                                                                                                                                                                    Max Planck Institute for Plasma Physics, Garching, Germany

  • Probing fundamental interactions of hydrocarbons adsorbed on single crystal metals
    with atomic thermal hydrogen
  • Investigations of plasma-wall interactions, and elementary processes
    of diamond synthesis

1989 - 1991                                                                                                                                                                                              Postdoctoral Researcher                                                                                                                                                                            Argonne National Laboratory, Lemont, IL, USA

  • Investigation of reaction and structure of transition-metal clusters

1985 - 1989                                                                                                                                                                                                  Graduated Research Assistant                                                                                                                                                                        Fritz-Haber-Institut der Max-Planck-Gesellschaft, Berlin, Germany

  • Experimental work on optical properties and stability of multiply charged clusters of metal clusters


1988                                                                                                                                                                                                                            Dr. rer. nat. (Physics)                                                                                                                                                                                  Doctoral thesis: Generation and Properties of Metal Clusters Advisor: Prof. H. Gerischer

1985                                                                                                                                                                                                                  Diploma (M.S.) thesis in Physics                                                                                                                                                               Diploma (Masters) thesis: Optical Properties of Metal Clusters Advisor: Prof. H. Gerischer

1983 - 1985                                                                                                                                                                                                        Studies in Physics (B.S.)                                                                                                                                                                               Diploma (Masters) thesis: Optical Properties of Metal Clusters

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