Dr. Vijayan Gurumurthy Iyer studied Environmental Science and Engineering at the Indian School of Mines, Dhanbad , India and graduated as M.Tech in 1998. He has served as Technical officer (Ginning) in Indian Council of Agricultural Research at Central Institute of Agricultural Engineering, Bhopal and Central Institute for Research on Cotton Technology, Bombay during 1985-1998 . He then joined as external Ph.D scholar and received Ph.D. in Environmental Science and Engineering in 2003 at the same institution. After three years as postdoctoral fellowship (PDF) supervised by Prof. Dr.Nikos E. Mastorakis , WSEAS , Athens, Greece and published 67 PDF elaboration research papers in WSEAS transactions and proceedings. . He has served as Professor of Environmental Science and Engineering at Haramaya University, Haramaya, Ethiopia during 2014-2015. He has published more than 400 research articles in SCI journals sand proceedings. He has published more than 90 books. Ther are more than 4000 citations in his credit. His h.index is 54.