Short CV/Education and training


  • 1996
    Bachelor, Department of Biology, University of Geneva, Switzerland

  • 1998
    Master in natural Sciences of the Environment, Faculty of Sciences, University of Geneva, Switzerland

  • 2003
    PhD in environmental sciences, Department of Chemistry, University of Geneva, Switzerland

  • 2004
    Certificate of Studies in Microbiology and Parasitology, Department of Biology, University of Geneva, Switzerland

Previous Positions

  • 2004 – 2005
    Swiss National Science Foundation Post-doctoral Fellow, Department of Biology, Clarkson University, NY, USA

  • 2005 – 2006
    Research Associate, Department of Chemistry, University of Geneva, Switzerland

  • 2006 – 2009
    Office of the Chief Executive Post-doctoral Fellow, The Commonwealth Scientific and Industrial Research Organisation, Marine and Atmospheric Research, Hobart, Australia

  • 2009 – 2012
    Chancellor Post-doctoral Fellow, Plant functional physiology and climate change cluster, Faculty of Sciences, University of Technology Sydney, Australia

Current Position

  • 2013 – 2018
    Professor Fellow, Swiss National Science Foundation, Department F.-A. Forel, Faculty of Sciences, University of Geneva, Switzerland

Selected publications

  • C.S. Hassler, V. Schoemann, M. Boye, A. Tagliabue, Rozmarynowycz M, McKay, RML. Iron Bioavailability in the Southern Ocean. In: Oceanography and Marine Biology: An Annual Review. (eds) Gibson RN, Atkinson RJA, Gordon JDM, Hughes RN. CRC Press, London, 2012, 50, 1–64.

  • Hassler C.S., van den Berg C., Boyd P.W. Using a regional classification to provide a more inclusive examination of the ocean biogeochemistry of iron-binding ligands. Frontiers in Marine Sciences. 2017.

  • Petrou K., Kranz S.A., Trimborn S., Hassler C.S., Blanco Ameijeiras S., Ralph P.J., Davidson A.T. The Southern Ocean carbon sink in a changing climate. Journal of Plant Physiology. 203:135-150. 2016

  • Hassler C.S., Norman, L; Mancuso Nichols, C.; Clementson, L.; Robinson, C.; Schoemann, V.; Watson, R.; Doblin, M. Iron associated with exopolymeric substances is highly bioavailable to oceanic phytoplankton. Marine Chemistry. 173: 136-147. 2015

  • Hoppe C.J.M., Hassler C.S., Payne C.D., Tortell P., Rost B., Trimborn S. Iron limitation modulates ocean acidification effects on Southern Ocean phytoplankton communities. PLOS ONE. DOI 10.1371/journal.pone.0079890. 2013.

  • Hassler C.S., Legiret F.-E., Butler, E.C.V. Measurement of iron chemical speciation in seawater at 4⁰C: the use of competitive ligand exchange – adsorptive cathodic stripping voltammetry. Marine Chemistry.149: 63-73. 2013.

  • Cropp, R.A., A.J. Gabric, M. Levasseur, G.H. McTainsh, A. Bowie, C.S. Hassler, C.S. Law,H.A. McGowan, N. Tindale, R.A. Viscarra Rossel. The likelihood of observing dust-stimulated phytoplankton growth in waters proximal to the Australian continent. Journal of Marine Systems. 117-118: 43-52. 2013.

  • C.S. Hassler, V. Schoemann, C.A.M. Nichols, E.C.V. Butler, P.W. Boyd. Saccharides enhance iron bioavailability to Southern Ocean phytoplankton. Proceedings of the National Academy of Sciences. 108: 1076-1081. 2011.

  • I. Worms, D. Simon, C.S. Hassler and K.J. Wilkinson. Bioavailability of trace metals to aquatic microorganisms: Importance of chemical, biological and physical processes on biouptake. Biochimie, 88: 1721-1731. 2006.

  • C.S. Hassler and M.R. Twiss. Bioavailability of iron sensed by a phytoplanktonic Fe-bioreporter. Environ. Sci. Technol. 40 :2544-2551. 2006.

Complete list of publications

Selected projects

  • Biodiversity and isolation of bacteria and viruses in contrasted regions of the Southern Ocean. Antarctic Circumnavigation Expedition (ACE) funded by the Swiss Polar Institute.

  • Tracing the iron cycle in the Southern Ocean. Antarctic Circumnavigation Expedition (ACE) funded by the Swiss Polar Institute

  • Impact of interactions between biological key players on iron and carbon recycling in the Southern Ocean: Consequences for iron limitation. Swiss National Funds for scientific research

Membership in scientific bodies/juries

  • Member, American Society of Limnology and Oceanography, since 2006

  • Member, Australian Marine Sciences Association, 2009 – 2011

  • Member, Society of Environmental Chemistry and Toxicity, 2003 – 2007

  • Scientific Committee for Antarctic Research (SCAR) – Swiss representative for the Life Science Workgroup

  • Member of the Swiss Committee for Polar and High Altitude Research

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