P P Joby is Professor and Head of Computer Science Engineering Department at St. Joseph's College of Engineering and Technology, Palai, Kerala, India. He completed his Doctorate in Information and Communication Engineering expertise in the field of wireless sensor networks. He completed M. Tech. in advanced computing from Sastra University and B.E. in Computer Science and Engineering. He has many international and national publications. He is Active Member in professional bodies such as ISTE, IAENG, UACEE, and IACSIT.
Marcelo Sampaio de Alencar was born in Serrita, Brazil, in 1957. He received his Bachelor's Degree in Electrical Engineering, from Universidade Federal de Pernambuco (UFPE), Brazil, his Master's Degree in Electrical Engineering, from Universidade Federal da Paraiba (UFPB), Brazil, and his Ph.D. from University of Waterloo, Department of Electrical and Computer Engineering, Canada. He has more than 43 years of engineering experience, 35 years as IEEES