| | Sami H. Mahmood, I. Bsoul | First Euro-Mediterranean Meeting on Functionalized Materials (EMM-FM 2011) | Tunisia | September 6-10, 2011 | Others | Invited Speaker |
| | Q. Samara, A.I. Al-Sharif, S.H. Mahmood | Fourth International Conference on Magnetic and Superconducting Materials (MSM05) | Morocco | September 5-8, 2005 | Others | Invited Speaker |
| | Lee, S.F., Loloee, R., Mahmood, S., Morin, P., Kuhl, D., Schroeder, P.A., Pratt Jr., W.P., and Bass, J. | American Physical Society Meeting | USA | March, 1992 | Participant | |
| | Mahmood, S., Bass J., and Schuller, I. | American Physical Society Meeting | USA | March, 1986 | Participant | |
| | Mahmood, S., Bass, J., and Schuller, I. | American Physical Society Meeting | USA | March, 1985 | Participant | |
| | Sami H. Mahmood | National Conference for the Development of Study Plans, Teaching and Learning, and Scientific Research | Jordan | June 15-17, 2010 | Others | Invited Speaker |
| | Sami Mahmood | Workshop on "Magnetic Measurements for Magnetic Materials Characterization and Quality of Magnetic Recording Media" | Jordan | April 1998 | Others | Invited Speaker |
| | F. H. Rawwagah, A-F. Lehlooh, S. H. Mahmood, S. Mahmoud,
A-R. El-Ali, M. R. Said, I. Odeh, I. Abu-aljarayesh
| International Conference on Materials in Jordan | Jordan | April 09-11, 2011 | Participant | |
 | | A.F. Lehlooh, M. Lataifeh, and S. Mahmood | First Regional Conference on Magnetic and Superconducting Materials (MSM-99) | Iran | 27-30 September 1999 | Others | Invited Speaker |
| | Sami H. Mahmood, Gassem M. Al-Zoubi, Abdel-Fatah Lehlooh | First Regional Conference on Magnetic and Superconducting Materials (MSM-99) | Iran | 27-30 October, 1999 | Others | Invited Speaker |
| | Ibrahim Abu-Aljarayesh, Sami Mahmood, Abdel-fatah Lehlooh | International Conference on Magnetism | Poland | 22-26 August, 1994 | Participant | |
| | Sami H. Mahmood, Fuad H. Rawwagah, AbdelFatah Lehlooh, Sabri Mahmoud | CTAP First Symposium on Magnetics | Jordan | 22-24 November, 1993 | Participant | |
| | Sami H. Mahmood, Mohamed K. Al-Sugheir, Abdel Raouf El Ali, Abdel-Fatah Lehlooh, Sabri S. Mahmoud | CTAP First Symposium on Magnetics | Jordan | 22-24 November, 1993 | Participant | |
| | Abdel-Fatah Lehlooh, Sami Mahmood, Ibrahim Abu-Aljarayesh | CTAP First Symposium on Magnetics | Jordan | 22-24 November, 1993 | Participant | |
| | Abdel-Fatah D. Lehlooh, Mahmoud Abu-Allaban, Sami Mahmood, John Williams | 5th International Conference on Advanced Materials
| Pakistan | 21-25 September, 1997 | Participant | |
| | Abdel-Fatah D. Lehlooh, Mahdi S. Lataifeh, Sami H. Mahmood | 5th International Conference on Advanced Materials | Pakistan | 20-26 September, 1997 | Participant | |
| | Sami H. Mahmood, Abdel-Fatah Lehlooh, Ahmad S. Saleh, N. Darlington | 5th International Conference on Advanced Materials | Pakistan | 20-26 September, 1997 | Participant | |
| | Sami H. Mahmood, M. Kofahi | 9th ATF International Col. Meeting, Kamogawa, Japan | Japan | 19-20 March, 2004 | Others | Invited Speaker |
| | Sami Mahmood, Mahmoud Kofahi | The 5th Asian Synchrotron Radiation Forum in Saga | Japan | 16-17 March 2004 | Others | Invited Speaker |
| | Sami Mahmood, Ghada Dushaq, Ibrahim Bsoul, Mufeed Awawdeh, Hassan Juwhari, Bashar Lahlouh, Murad AlDamen | 2014 Spring World Congress on Engineering and Technology (SCET 2014) | Shanghai, China | 16 - 18 April, 2014 | Lecturer | |
| | S.H. Mahmood, A.-F. Lehlooh, A.S. Saleh, F.F. Wagner | Third International Conference on Magnetic and Superconducting Materials (MSM03) | Tunisia | 1-4 September 2003 | Others | Invited Speaker |
| | Sami Mahmood, Abdel-Fatah Lehlooh | 5th International Symposium on the Industrial Applications of the Mossbauer Effect (ISIAME 2000) | Virginea, USA | 13-18 August, 2000 | Lecturer | |
| | A-F. Lehlooh, S.M. Fayyad, S.H. Mahmood | 5th International Symposium on the Industrial Applications of Mossbauer Effect (ISIAME 2000) | Virginea, USA | 13-18 August 2000 | Lecturer | |
