This document provides biographical and career details of Mohammad Nasir Hossain, a Bangladeshi cricketer. It outlines that he is a 23-year-old all-rounder who plays for Bangladesh in all formats. It describes his career progression from joining the Bangladesh Krikit Board's academy at age 13 to representing Bangladesh at the under-19 level and in domestic cricket. It highlights some of his achievements including scoring centuries and half-centuries in ODIs and Tests and helping Bangladesh win important matches and series. The document positions Nasir as a consistent and talented player who is trusted to be in the Bangladesh squad for the 2015 ICC Cricket World Cup despite recent inconsistent form.