Dr. Dani Or is a professor of Soil and Terrestrial Environmental Physics and Director of the Institute of Terrestrial Ecosystems in the Department of Environmental Systems Science at the Swiss Federal Institute of Technology Zurich in Switzerland. Or has authored over 170 refereed publications, co-authored a book, and over 270 proceeding papers and abstracts. Or is Editor in Chief of the Vadose Zone Journal, recipient of the Kirkham Soil Physics Award (2001), 2004 Fellow of the Soil Science Society of America, chair of the 2008 Gordon Research Conference on Flow and Transport and 2010 Fellow of the American Geophysical Union.