Ruwan Abey RajapakseRuwan Rajapakse is presently a project manager for STV Incorporated, one of the most prominent design firms in New York City. He has extensive experience in design and construction of piles and other geotechnical engineering work. He is a licensed prfessional engineer (PE) in New York and New Jersey and a certified construction manager (CCM). He is currently an adjunct professor at New Jersey Institute of Technology conducting the graduate level geotechnical engineering course. He is the author of four books including Geotechnical Engineering Calculations and Rule of Thumb and Pile Design and Construction Rules of Thumb by Butterworth-Heinemann. Read More Read Less