Richard J. Goldfarb received a Masters degree in hydrogeology at University of Nevada Reno and his PhD in geology at the University of Colorado. He was a research geologist at the U.S. Geological Survey for 36 years. His studies have focused on global metallogeny, geology of ore deposits in the North American Cordillera with emphasis on orogenic gold, lode gold deposits in China, and fluid inclusion and stable isotope applications to the understanding of ore genesis. Rich has authored more than 230 papers on mineral resources, with many recognized as the authoritative research on gold in metamorphic terranes, and on aspects of regional metallogeny. He is a past-president of the Society of Economic Geologists and past chief editor of Mineralium Deposita. Presently, Rich is a research professor at Colorado School of Mines and China University of Geosciences Beijing, serves on the Board of Golden Predator Mining Corp., and is an independent consultant to the exploration and mining industry.