Dr. Ahmed Hossain is a Professor in the Department of Public Health at North South University, where he also serves as the Director of the Global Health Institute. In 2010, he received his Ph.D. from the Dalla Lana School of Public Health at the University of Toronto. Later, he joined as a Canadian Institute of Health Research (CIHR) Fellow at McMaster University. In 2004, he graduated from McMaster University with a master's degree in biostatistics and epidemiology. Dr. Hossain began his career at the University of Dhaka as a lecturer in 2002. Before coming to NSU, he worked at McMaster University, Ryerson University, and Canada's Pharma Medica Research group. During his Ph.D. research, Dr. Hossain was instrumental in the development of statistical genomics models. His current research focuses on public health issues such as migration, disasters, and communicable and non-communicable diseases. Till now, Dr. Hossain has published more than 50 papers in major international journals. He is also the Senior Editor of BMC Research Notes (Springer) and three international peer-reviewed journals' editorial boards. He is also continuing his collaborations with clinical investigators, faculty members, and epidemiologists at McMaster University, Ryerson University, University of Manitoba, University College London, and Oxford University. Dr. Hossain created an R program that calculates summary measures and variances on receiver operating characteristic curves, which is helpful for high-dimensional data analysis and can be downloaded from Bioconductor.