Dr. Terrence ChatwinDr. Terrence Chatwin is the Technical Director of the International Network for Acid Prevention (INAP), where he participated in the development and publication of the Global Acid Rock Drainage Guide, a best practice guide for the prevention of acid rock drainage. He also organized INAP workshops and short courses and directed the operation of INAP's programs. Terrence has over 40 years of experience in the mining and minerals industries in research, development and management of process engineering and environmental projects. He has worked for mining companies and consulting firms, as well as the University of Utah, where he was Director of the Utah Engineering Experiment Station for 10 years. Terrence has a B.S. in mechanical engineering from Massachusetts Institute of Technology and a Ph.D. from the University of Utah in metallurgy.