Roland N. Horne is the Thomas Davis Barrow Professor of Earth Sciences and Professor of Energy Resources Engineering at Stanford University, and Director of the Stanford Geothermal Program. He was formerly the Chairman of the Department of Petroleum Engineering at Stanford from 1995 to 2006. He is best known for his work in well test interpretation, production optimization, and tracer analysis of fractured geothermal reservoirs. So far in his academic career, he has supervised the graduate research of 50 Ph.D. and 120 MS students, including about 60 in geothermal topics. Roland is an Honorary Member of the Society of Petroleum Engineers and a member of the US National Academy of Engineering. He served on the International Geothermal Association (IGA) Board 1998-2001, 2001-2004, and 2007-2010, and was the 2010-2013 President of IGA. He was Technical Program Chairman of the World Geothermal Congress 2005 in Turkey, 2010 in Bali, Melbourne in 2015, and will be again in Iceland in 2020. Roland is one of the founders of the IGA online database of geothermal conference papers.