Dr. David W. Rich is the President and co-founder of Geotech Computer Systems, Inc. He has a B.S. in geology from the University Of Notre Dame, and an M.S. and Ph.D. in geology from The University of Illinois. He has over 30 years of experience in the petroleum, mining, and environmental industries, having worked for Texaco (now Chevron), Shell, Sabine Corporation, and Grant Environmental/Scientech in addition to Geotech. He is the author of the book Relational Management and Display of Site Environmental Data, from CRC Press/Lewis Publishers.