Jack Dvorkin is a Senior Research Scientist in the Department of Geophysics at Stanford University, California. His primary research interests are theoretical rock physics and its practical applications as well as computational rock physics, and he has taught dozens of industrial rock physics short-courses worldwide (USA, Canada, Colombia, Brazil, India, China, Japan, Norway, Germany, Italy). Dr Dvorkin has published around 150 professional papers and has also co-authored two books including The Rock Physics Handbook (Cambridge, 2009).