Education

2003                                   Doctoral degree (Dr. rer. nat.), Universität Bremen

1999                                   Exchange Student at UNC Chapel Hill

1998                                   Diploma in Geology, Universität Bremen

1997/1998                          Exchange Student at the Southampton Oceanography Center

1995                                   Pre-Diploma in Geology/Paleontology, Universität  Hannover

Professional Experience

Since 6/2012                      Staff Scientist at Helmholtz Center Potsdam, Section 4.5 Geomicrobiology

6/2012-9/2013                   Managing Head of the Geomicrobiology Group, Universität Potsdam

10/2008-5/2012                 Head of the Geomicrobiology Group, Universität Potsdam, Germany, as part of the BMBF-funded “Forschungsverbundprojekt GeoEnergie”

12/2006-9/2008                 Postdoctoral Scholar at the GeoForschungs Zentrum Potsdam, Germany, Section for Organic Geochemistry.

1/2005-11/2006                 Postdoctoral Scholar of the NASA Astrobiology Institute at the Graduate School of Oceanography of the University of Rhode Island, USA

10/2003-12/2004               Coordinator of the 2004 DEBITS (Deep Biosphere in Terrestrial Systems) drilling campaign GeoForschungs Zentrum Potsdam, Germany)

1/2000-9/2003                   PhD Student at the Dept. of Biogeochemistry, Max Planck Institute for Marine Microbiology, Bremen, Germany

1999                                   Rotary Ambassadorial Scholar at the Dept. of Marine Sciences, University of North Carolina at Chapel Hill, USA

Academic Services        Regular reviewer for several journals. Advisor of five Ph.D. students

Memberships                 Geochemical Society

Five most important Papers

Kallmeyer, J., Pockalny, R., Adhikari, R.R., Smith, D.C., and D'Hondt, S. (2012). Global distribution of microbial abundance and biomass in subseafloor sediment. Proceedings of the National Academy of Sciences of the United States of America 109, 16213-16216.

Røy, H., Kallmeyer, J., Adhikari, R.R., Pockalny, R.A., Jorgensen, B.B., and D'hondt, S.L. (2012). Aerobic Microbial Respiration in 86-Million-Year-Old Deep-Sea Red Clay. Science 336, 922-925.

Kallmeyer, J., Boetius, A., 2004. The effects of temperature and pressure on rates of sulfate reduction and anaerobic oxidation of methane in hydrothermal deep-sea sediments of Guaymas Basin. Applied and Environmental Microbiology. 70, 1231-1233.

Kallmeyer, J., Ferdelman, T.G., Weber, A., Fossing, H., Jørgensen, B.B., 2004. A coldchromium distillation procedure for radiolabeled sulfide applied to sulfatereduction measurements. Limnology and Oceanography: Methods. 2, 171-180.

Schippers, A., Neretin, L.N., Kallmeyer, J., Ferdelman, T.G., Cragg, B.A., Parkes, R.J., Jørgensen, B.B., 2005. Procaryotic cells of the deep sub-seafloor biosphere identified as living bacteria. Nature. 433, 861-864.