Robert Michener is the Laboratory Manager of the Boston University Stable Isotope Laboratory and has been running the internationally recognized facility for 18 years. His research interests include aquatic ecology, food web systems, and how stable isotopes can be applied to tracing pollutants, comparing pristine and impacted systems.

Kate Lajtha is a Professor in the Department of Botany and Plant Pathology at Oregon State University and the Editor-in-Chief of Biogeochemistry. She is a terrestrial biogeochemist who studies soil organic matter stabilization and soil solution chemistry.