Md. Shahriar Mahmud is a lecturer of mathematics at the Department of Computer Science and Engineering, State University of Bangladesh. He had completed his BS and MS in Mathematics from the University of Dhaka with a mandatory project in the final year of BS and a merit-based offered thesis in his MS. In his thesis, he worked on mathematical modeling, and in a succession of his research work, till now he has published three international and one national journal articles and one article is in the press, and two of his articles are under review at this moment. He was also appreciated with the NST (National Science & Technology) fellowship by the Ministry of Science and Technology, People's Republic of Bangladesh. At this position, he is exploiting his knowledge to enrich athirst students with a friendly environment as a faculty, and also continuing his research simultaneously. His field of research interest is Mathematical Modeling in Biology, Data Fitting, and Numerical Analysis. He is currently working on Pandemic Control/Forecast Modeling, and Vaccination Model Analysis.