Jochen Bundschuh (1960, Germany), finished his PhD on numerical modeling of heat transport in aquifers in Tübingen in 1990. He is working in geothermics, subsurface and surface hydrology and integrated water resources management, and connected disciplines. Hartmut Holländer is a civil engineer specialized in numerical groundwater modeling. He covers the undergraduate and graduate courses of Groundwater Hydrology, Groundwater Contamination, and Groundwater and Solute Transport Modelling at the University of Manitoba. Lena Q. Ma is a Professor in the Soil and Water Science Department at the University of Florida. Professor Ma published nearly 200 refereed journal articles and book chapters.