• Ground and space based GNSS atmosphere/ionosphere sounding
• Atmospheric remote sensing, Remote sensing of various components of the "System Earth", e.g., Oceans, Ice
• GNSS receiver development and reflectometry
• GNSS analysis software development with real time applications
• Geodesy, Meteorology/Atmospheric science, Geophysics
• Design, realization and operation of satellite missions with GNSS components
• Attracting and coordination of third party funded research projects from different funding authorities
• Scientific programming with FORTRAN, IDL
• Working with LATEX, MS-Office, COREL, digital imaging (Adobe software)
• Speaking English, Russian and Latvian
• Giving scientific and popular scientific talks (e.g. URANIA)
• Author and photographer for popular scientific journals (satellites, emperor penguins, antarctica; e.g. MARE)

since 2009

Acting head section 1.1 at GFZ, GPS/Galileo Earth Observation

since 2005

Lectures at the University Potsdam (GNSS remote sensing) and within international schools (e.g., U.S., Taiwan, Austria)

since 2003

Responsible scientist for GNSS atmosphere sounding at GFZ

2002

PhD, Meteorology and Geophysics (external) at the University Graz, Austria

since 1999

Scientist, GFZ Potsdam, GPS radio occultation with CHAMP, scientific software development (GPS data analysis and inversion algorithms)

1996-1999

Scientist, German Aerospace Research Establishment (DLR), remote sensing station Neustrelitz, preparation of the GPS radio occultation experiment aboard the German CHAMP satellite and the corresponding infrastructure in close cooperation with GFZ

1995

Data analysis of the meteorological LINEX-95 campaign: radio sonde, wind profiler and sodar measurements as a contractor for the German Weather Service (DWD)

1993-1995

Scientist, Alfred Wegener Institute AWI, Bremerhaven, participation in wintering campaign 1994 at the Neumayer Station, Antarctica, Responsible for meteorological and air-chemical observations, Participation in Filchner campaign 1995, Glaciology, seismic exploration method

1991-1993

Scientist, German Weather Service, (DWD), Observatory Lindenberg, Sun photometry

1989-1991

Scientist, Low temperatur physics, Academy of Sciences of the former GDR, low temperature physics laboratory at the Humboldt University Berlin

1984-1989

TU Dresden, Diploma/M.Sc. Physics; Solid state physics, Research trainings at the industry, universities Riga (Latvia), St. Petersburg and Moscow (Russia)

1981-1984

Military service at Eggesin, Brandenburg and Potsdam, tank driver, sergeant

1981

Abitur at Rheinsberg, Germany

IAG fellow 2011
Contributor to TerraSAR-X mission (Honour certificate), 2010
Pecora Award 2007 (as member of the GRACE team)
Honour medal: Key contributor to U.S./Taiwan COSMIC/FORMOSAT-3 satellite mission 2006
Wernher-von-Braun-Award 2003 (as member of the CHAMP/GRACE team)
GFZ research award 2002 for the work on GPS radio occultation

more than 580 publications and conference contributions (around 190 in reviewed journals or books, reports), 4 books as editor/copy editor, see detailed publication list, 2 highlighted papers GRL as first author, one of them with currently about 250 ISI citations, a second one with around 100 ISI citations