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Hendrik Rathjens, Ph.D. Managing Director of European Operations / Senior Environmental Modeler


Hendrik began his career as a post-doctoral research assistant at Purdue University (Indiana, United States) and joined Stone in 2016. He has managed the Stone Environmental EU office since January 2021. Dr. Rathjens specializes in developing and applying environmental chemical exposure models for predicting chemical fate and transport in the environment. He has conducted numerous agricultural chemical exposure assessments using established regulatory and customized aquatic exposure models to produce exposure predictions in surface and groundwater.

Years of Experience 11

Years at Stone 7


Post-Doc, Hydrology, 2016, Department of Earth, Atmospheric, and Planetary Sciences, Purdue University, West Lafayette, Indiana

Ph.D., Hydrology, 2014, Department of Geography, Kiel University, Kiel, Germany

Master of Science, Physical Geography and Mathematics, 2010, Department of Geography and Department of Mathematics, Kiel University, Kiel, Germany