Md. Nahian Hossain is working as an Assistant Teacher at Department of Mathematics of St. Joseph Higher Secondary School since 2012 . He is one of the moderators of Josephite Math Club (JMC). He had completed Master?s degree in Mathematics from Dhaka College under the National University in 2009 . Got his teaching license from NTRCA in 2013 .He had received Professional degrees B.Ed. and M.Ed with First Class. Also participated in so many training programed including CPD,LSBE,DCD,CQ .He is the highest scorer of a2i - organized ?Mathematics Teachers Training program 2021? received a certificate and cash . He is a book lover, explorer, and educator. He is married and proud father of one son.