| NO | ROLE | TITLE OF PROGRAMME | DATE | LOCATION |
| 1 | Keynote speaker | 2nd International Conference on Multidisciplinary Research (InCoMR 2019) | 25 April 2019 | Avillion Hotel, Port Dickson |
| 2 | Keynote speaker | The International Conference on Applied Medical Sciences (ICAMS-2017) | 18-19 November 2017 | Gloria Hotel, Gaza-City, Palestine |
| 3 | Keynote speaker | Penang International Conference on Research Advances In Science And Technology (PICRAST 2016) | 30 January 2016 | Royal Bintang Hotel, Penang |
| 4 | Invited Speaker | Challenges And Opportunity For International Cooperation In Natural Sciences | 27-28 November 2019 | Hanoi, Vietnam |
| 5 | Invited Speaker | National Nuclear Safety and Nuclear Security Seminar | 23 October 2019 | AELB Dengkil, Selangor |
| 6 | Invited Speaker | International Conference on The Management of Spent Fuel From Nuclear Power Reactors: Learning From The Past, Enabling The Future | 24-28 June 2019 | Vienna, Austria |
| 7 | Invited Speaker | Colloquium on Nuclear and Radiation Physics 2018 | 4-6 October 2018 | Felda Residence Tanjung Leman, Mersing |
| 8 | Invited Speaker | Radiation Emergency Course 2018 | 4-6 September 2018 | Kompleks Kerajaan Persekutuan Sabah, Kota Kinabalu, Sabah |
| 9 | Invited Speaker | Occupational Safety and Health at School | 7 August 2018 | Sutera Mall, Johor Bahru |
| 10 | Invited Speaker | RSH100 Keselamatan Sinaran dan Kesihatan (Radiation Safety and Health) | 26-28 March 2018 | The Grand Bluewave Hotel, Johor Bahru |
| 11 | Invited Speaker | RSH100E Keselamatan Sinaran dan Kesihatan (Radiation Safety and Health) | 28-30 November 2017 | The Puteri Pacific, Johor Bahru |
| 12 | Invited Speaker | UTM Radiation Safety Courses | 10-11 October 2017 | Pusat Latihan UTM |
| 13 | Invited Speaker | Meet the Scientists | 20 July 2017 | UniKL MITEC, Johor Bahru |
| 14 | Invited Speaker | Career in STEM | 20 July 2017 | UniKL MITEC, Johor Bahru |
| 15 | Invited Speaker | Radiation Safety and Health | 20-22 March 2017 | KSL Hotel and Resort, Johor Bahru |
| 16 | Invited Speaker | Career Planning | 25 February 2017 | Pinetree Hotel, Batu Pahat |
| 17 | Invited Speaker | Invention, Innovation and Design (IID) 2017 | 22 February 2017 | Universiti Teknologi Mara, Negeri Sembilan Campus |
| 18 | Invited Speaker | Radiation Protection Practice in University | 30 November 2016 | Thistle Hotel, Johor Bahru |
| 19 | Invited Speaker | Radiation in Everyday Life: International Baccalaureate Module | 16 February 2016 | Fairview International School Johor |
| 20 | Invited Speaker | Nuclear Physics Seminar | 16-17 February 2016 | Universiti Teknologi Malaysia |
| 21 | Invited Speaker | Johor Oncology Meeting 2015 | 29 August 2015 | Hospital Sultan Ismail |
| 22 | Invited Speaker | UTM Radiation Safety Courses | 23 October 2013 | Pusat Latihan UTM |
| 23 | Invited Speaker | UTM Radiation Safety Courses | 27 -30 May 2011 | Awana Genting Highlands Golf & Country Club |
