Dr. Alexander Johs is a staff scientist in the Biogeochemical Dynamics group at Oak Ridge National Laboratory (ORNL). His research on biogeochemical processes in the environment is currently focused on the biomolecular transformations of mercury as a contaminant. Working at the interface of chemistry, biology and physics, he combines biochemistry, bioinformatics and complementary biophysical techniques to study molecular-scale processes that may impact environmental health at the ecosystem scale. With a research background in neutron and X-ray scattering, Dr. Johs explores the molecular structures and mechanisms of biological macromolecules involved in redox processes and biogeochemical transformations. He applies insights gained from fundamental research to the development of technologies to restore and preserve environmental health.
Dr. Johs joined the Environmental Sciences Division at ORNL in 2010 and is a recipient of the Stanley I. Auerbach Award for Excellence in Environmental Sciences (2014). His education is in biochemistry and biotechnology (MSc, Graz University of Technology) and biophysics (PhD, Graz University of Technology and Austrian Academy of Sciences).