الرابطة الإسلامية الباكستانية
His association with the "Islamic Movement" started in his school days when he first joined Islami Jamiat-e-Talaba, Pakistan. He became member of Jamaat-e-Islami in 1970 and was elected to the office of President of its Peshawar branch. He served Jamaat-e-Islami as Secretary and then Ameer of its Khyber-Pakhtunkhwa provincial branch. After the resignation of Maulana Naeem Siddiqui, he was promoted to the office of Secretary General, Jamaat-e-Islami Pakistan in 1978. and then elected as Ameer (Chief) of Jamaat-e-Islami Pakistan in 1987, continued to serve in that capacity, getting re-elected four more times (1992, 1994, 1999 and 2003). In 2008, Syed Munawwar Hasan was elected to head Jamaat-e-Islami, when Qazi Hussain Ahmad chose not to run for the office. Qazi Hussain Ahmad remained head of Jamaat-e-Islami for nearly 22 years.