Ioannis S. Triantafyllou is an assistant professor in the Department of Computer Science and Biomedical Informatics at the University of Thessaly, Greece. He received his B.S. degree in Mathematics from the University of Athens, Greece in 2002, and the M.Sc. and Ph.D. degrees in Statistics from the University of Piraeus, Greece in 2005 and 2009 respectively. He has served as a referee for more than 20 scientific journals. He has published over 60 peer-reviewed papers in international refereed scientific journals, edited volumes, and conferences. His research interests include Applied Probability, Nonparametric Statistics, Reliability Theory, and Statistical Process Control.
Mangey Ram received his Ph.D., major in Mathematics and minor in Computer Science from G. B. Pant University of Agriculture and Technology, Pantnagar in 2008. He is an editorial board member in many international journals. He has published 102 research publications in national and international journals of repute. His fields of research are Operations Research, Reliability Theory, Fuzzy Reliability, and System Engineering. Currently, he is working as a Professor at Graphic Era University, Dehradun, India.