Dr. Nagaratnam Sivakugan received his Bachelor's degree in Civil Engineering from the University of Peradeniya, Sri Lanka, with First Class Honors, and M.S.C.E and Ph.D. from Purdue University in West Lafayette, Indiana. His writings include four books, 110 refereed international journal papers, 75 refereed international conference papers, and more than 100 consulting reports. As a registered professional engineer of Queensland and a chartered professional engineer, he does substantial consulting work for the geotechnical and mining industry in Australia and overseas, including the World Bank....