Husain was subsequently promoted to the rank of lieutenant colonel and given the command of the First Battalion Regiment 511. He was again promoted to colonel in 2000, becoming the Commander of Regiment 511 AW. Bin Husain was again promoted, to the rank of brigadier general, and retired from the army in 2010. While he was State Secretary, bin Husain was also Chairman of Jawatankuasa Pendukong Askar Wataniah (JAKPAW). During his tenure in the AW, he expanded the size of the regiment and recruited over 120 new officers, primarily from the civil service. For his work in the Askar Wataniah, bin Husain was conferred the Panglima Angkatan Tentera (PAT) by the Yang di-Pertuan Agung in 2000. Sarawak Skill Development Centre In the field of education and human resource development, bin Husain is currently Chairman of the Sarawak Skill Development Centre (PPKS), being first elected to the post in March 1999. When he started, PPKS was a small training centre offering a few technical courses with fewer than 100 students. Today, PPKS has over 200 staff and over 2000 students offering certificates and diploma programs. It also has joint study agreements with other institutions of learning, both in Malaysia and overseas. PPKS Ilmu Sdn Bhd Bin Husain is Chairman of PPKS Ilmu Sdn Bhd, a wholly owned subsidiary of PPKS which has set up the International College of Advance Technology Sarawak (ICATS) to conduct programs at the diploma level and higher. With the acquisition of the INTI Campus, ICATS will have the capacity to accommodate up to 3000 students. Swinburne University of Technology Bin Husain was the first chairman of Swinburne Sarawak Sdn Bhd, which manages the Swinburne University Sarawak Branch Campus. He helped in the development of the Swinburne New Campus at Simpang Tiga and oversaw the construction of new campus facilities. Currently, he sits as a member of the University Council. Angkatan Zaman Mangsang Bin Husain has been the Chairman of Angkatan Zaman Mangsang (AZAM) since March 1998, and was the founder of its sister organization Sarawak Development Institute (SDI), which was established in 1995 with a mission to provide independent and objective inputs to the State. SDI and AZAM conduct about 20 seminars and workshops yearly, covering various current issues. President of Sarawak Club He was the President of Sarawak Club, the oldest club in Malaysia, having held the post from September 2002 until 2009. Under his presidency,