Secretary General of Asian Fluid Machinery Committee (AFMC) an international scientific committee comprised of industrial representative and academician from Japan, Korea, China, India, Indonesia, Singapore, Thailand, Taiwan, and Malaysia. September 2010 – August 2018.

Exco of University Professors Council – Exco Majlis Profesor Universiti (MPU), Universiti Teknologi Malaysia.
1st Jan 2024 – 31 December 2025.

Head of Sustainable Energy and Reacting Flow Research Group (SERF)
• February 2022 – till present, Faculty of Mechanical Engineering, Universiti Teknologi Malaysia

Head of High-Speed Reacting Flow Research Group (HiREF)
• April 2008 – January 2022, Faculty of Mechanical Engineering, Universiti Teknologi Malaysia

Head of Thermofluid Department
• 15 April 2005 – 1 July 2018, Faculty of Mechanical Engineering, Universiti Teknologi Malaysia

Head of Thermodynamic Panel
• 27 August 2004 – 14 April 2005, Department of Thermo-Fluids, Faculty of Mechanical Engineering, Universiti Teknologi Malaysia

Coordinator of Master by Taught Course for Mechanical Offshore Program, Kuala Lumpur Centre
• March 2012 – February 2017, Faculty of Mechanical Engineering, Universiti Teknologi Malaysia

Chairman of the 11th International Conference on Combustion, Incineration / Pyrolysis, Emission and Climate Change (11th iCIPEC 2024) November 2024 at Swiss Garden Hotel, KL, Malaysia.

Honorary Chairman of the 13th International Meeting in Advances of Thermofluids (13th IMAT) 2024 at Univ Swiss Garden Hotel, KL, Malaysia.

Session Chairman of the Wind Turbine and Fluid Systems at the 17th Asian International Conference of Fluid Machinery, (17th AICFM) 2023 at Zhenjiang, China.

International Advisory Committee of 17th Asian International Conference of Fluid Machinery, (17th AICFM) 2023 at Zhenjiang, China.

International Honorory Chairman of International Meeting in Advances of Thermofluids, IMAT international conference series: Conference cohost by UTM, UI, Indonesia and KAUST, Saudi Arabia, 2021.

Chairman of the 12th International Meeting in Advances of Thermofluids (12th IMAT) on the 2nd – 3rd of August 2021 at Universiti Teknologi Malaysia, Skudai, Johor.

Chairman for the Distinguished Lecture Series presented by Professor Dr. Ir. Kim Choon Ng, from King Abdullah University Science and Technology (KAUST), Saudi Arabia on the May 2020.

International Technical Committee of 15th Asian International Conference of Fluid Machinery (15th AICFM) 2019, Busan, Korea.

International Advisory Board of the Eleventh International Meeting on Advances on Thermofluids (11th IMAT), Kyushu University, Japan 7-8 November 2019.

Honorary Chairman for The International Conference on Artificial Intelligence in Manufacturing & Renewable Energy (ICAIMRE-2019), GIET Baniatangi, Bhubaneswar, Odisha, India 25 – 26 October 2019.

International Advisory Board of the Tenth International Meeting on Advances on Thermofluids (10th IMAT), Lombok, Indonesia, 16 – 17 November 2018.

Editorial Board of Journal of Energy and Safety Technology (JEST) from 2018 – till now.

International Advisory Committee of 14th Asian International Conference of Fluid Machinery, (14th AICFM) 2017 at Nanjing, China.

Chairman of Award Committee for Asian Fluid Machinery Committee (AFMC), committee responsible to select recipient of AFMC Young Engineer Award and AFMC Distinguish Engineer Award, during Asian International Conference of Fluid Machinery (AICFM), 2015 – 2018.

Chairman of the 9th International Meeting in Advances of Thermofluids (9th IMAT) on the 26 January 2017 at Universiti Teknologi Malaysia.

Chairman of Computational Fluid Dynamics Short Course, UTM Skudai January 2017.

Auditor for The Royal Institution of Naval Architects – The Institute of Marine Engineering, Science and Technology (RINA – MIMarEST) Malaysia Joint Branch – Southern Chapter, 2016 – 2017.

Committee Member of Multidisciplinary Conference on Mechanical Engineering (McME 2016) FKM, UTM, 2016.

International Advisory Board of the Eigth International Meeting on Advances on Thermofluids (8th IMAT), Taman Mini Santika Hotel, Jakarta, Indonesia, 12 November 2015.

International Advisory Committee of OMAse International Conference Pekan Baru, Indonesia, 23 November 2015.

International Advisory Committee of 13th Asian International Conference of Fluid Machinery (13th AICFM) 2015, Tokyo, Japan.

International Committee Member of the 1st International Conference on Mechanical and Transportation Engineering (ICMTE 2015), 23 – 25 April 2015, Kuala Lumpur.

International Committee Member of the 6th International Conference on Fluid Mechanics and Heat and Mass Transfer (FLUIDSHEAT 2015), 23 – 25 April 2015.

International Committee Member of the 9th International Conference on Renewable Energy Sources (19th RES 2015), 23 – 25 April 2015, Kuala Lumpur.

Chairman of the Seventh International Meeting in Advances of Thermofluids (7th IMAT) on the 26-27th of November 2014 at Swiss Garden Hotel, Kuala Lumpur.

Chairman of the First International Conference on Energy and Thermal Sciences (1st ICETS) on the 1st of October 2014 at Universiti Teknologi Malaysia, Skudai.

Scientific Committee of the Sixth International Meeting in Advances of Thermofluids (6th IMAT) on the 18th of November 2013 at National University of Singapore, Singapore.

Session Chairman of the 12th Asian International Conference of Fluid Machinery (12th AICFM) on the 24th – 27th of September 2013 at Santika Premiere Hotel, Yogyakarta, Indonesia.

International Organizing Committee of the Eleventh International Conference on Combustion and Energy Utilization (11th ICCEU) on the 9th – 13th of May 2012 at Lisbon, Portugal.

International Advisory Board of the Fifth International Meeting on Advances on Thermofluids (5th IMAT), Bintan Island, Indonesia, 12 November 2012.

Chairman of the Fourth International Meeting in Advances of Thermofluids (4th IMAT), on the 3 – 4 October 2011 at Avillion Hotel, Melaka.
40. International Advisory Board of the Fourth International Meeting in Advances of Thermofluids, (4th IMAT), on the 3-4th of October 2011 at Avillion Hotel, Melaka.

International Advisory Board of the Third International Meeting in Advances of Thermofluids, (3rd IMAT), on the 30th of November 2010 at Singapore.

Session Chairman of the Third International Meeting in Advances of Thermofluids (3rd IMAT), on the 30th of November 2010 at Singapore.

Scientific Committee Member of the Second International Meeting in Thermofluids, (2nd IMAT) 2010, Singapore.

Chairman of the 10th Asian International Conference of Fluid Machinery (10th AICFM) on the 21st – 23rd of October 2009 at Berjaya Times Square Hotel, Kuala Lumpur.

Main Organizer of the International Workshop for Pump Machinery 2009 that jointly organized by Kyushu University and Wuhan University on the 20th of October 2009 at Berjaya Times Square Hotel, Kuala Lumpur.

Session Leader, Workshop on the ASEAN-US Next Generation Cook Stove, at ASEAN Institute of Technology, Bangkok, Thailand, 17 – 20 November 2009. The workshop was funded by United States of America Aid (US Aid).

Session Chairman of the 10th Asian International Conference of Fluid Machinery (10th AICFM) on the 21st – 23rd of October 2009 at Berjaya Times Square Hotel, Kuala Lumpur.

International Advisory Board of The First International Meeting in Thermofluids (1st IMAT), August 2008 at Ibnu Sina Institute, UTM Skudai, Johor, Malaysia.

Chairman of the First International Meeting of Advances in Thermofluids (1st IMAT) on the 26th of August 2008 at Ibnu Sina Institute, UTM.