Dr. K.P. Sanjayan is an Associate Professor and Head, in the Department of Advanced Zoology and Biotechnology, Guru Nanak College, Chennai, India. Since 1981 he has been researching in the field of insect plant interactions with primary focus on digestive and reproductive physiology of bugs and grasshoppers. His research has been funded by grants from the Government of India funding agencies like the DST, DBT, ICAR, CSIR, MoEF and UGC. He has more than 150 research publications in national and international peer reviewed journals. During the span of more than three decades of teaching and research, twenty students have obtained their doctorate degrees and twelve student received their M.Phil degree from the University of Madras. He is a member of two prestigious scientific organization such as the Madras Science Foundation and the Indian Academy of Entomology besides being a member for various National Scientific Bodies. He is a life member of the Association for Advancement of Entomology, Trivandrum, the National Institute of Ecology, New Delhi and the Indian Academy of Environmental Sciences, Haridwar.