Khalid Hossain, born on 2 February 1959 in Madarsha Union, Satkania Upazila of Chittagong District, hails from a Bengali Muslim family, with his father, Muhammad Habibullah, being an Islamic scholar.

[4] From 1973 to 1975, he studied Hadith at Chittagong Chandanpura Darul Uloom and later obtained his Kamil degree from the Bangladesh Madrasah Education Board in 1975.

[5] His religious education included studying various Islamic texts: Sahih al-Bukhari under the guidance of Muhammad Amin, a disciple of Ashraf Ali Thanwi; Sahih Muslim with Matiur Rahman Nizami of Mirsharai; Sunan al-Tirmidhi with Ismail Arakani Qasemi; and Sunan Abi Dawud under Nawab Hasan Qasemi.

[7] He began his professional career in 1987 as a lecturer in Arabic language and literature at Satkania Alia Mahmudul Uloom Fazil Madrasa.

[15] Khalid Hossain's first article, The Life and Work of Hazrat Umar Farooq (RA), was published by At-Tawheed.

His editorial work includes multiple volumes of the second edition of the Islami Bishwakosh and the Sirat encyclopedia, both published by Islamic Foundation Bangladesh.

), Rise of Global Islam, Aso Nari Porda Kori, and Prayers for Men and Women, while his compilations include Nive Jawa Dipshikha and Selected Essays-1.