| | Al-Othman N, Hammad H, Ahram M. | The 5th Middle East Molecular Biology Congress and Exhibition | Dead Sea, Jordan. | 2018 | Participant | |
| | Hammad HM, Dana Alhattab D, Awidi A. | The 4th Middle East Molecular Biology Congress and Exhibition | Abu Dhabi, UAE. | 2017 | Participant | |
| | Hammad H, Habib Z, Afifi F, Zihlif M. | Experimental Biology | Boston, MA., USA | 2015 | Participant | |
| | Hammad HM, Matar SA, Al-Jaber HI, Afifi FU. | The 15th International Congress of the International Society for Ethnopharmacology | Petra, Jordan | 2015 | Lecturer | |
| | Shehadeh MB, Kolodziej H, Hammad H. | The 13th Jordan Pharmacist Association Conference | Amman, Jordan | 2010 | Participant | |
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Xu K, Hillman K, Hammad H, Jurgens CWD, Goldenstein B, Johnson J, Porter J, Doze V
| | Washington, D.C., USA | 2007 | Participant | |
| |
Hammad HM, Hillman KL, Porter JE, Doze VA
| | San Francisco, California. | 2006 | Participant | |
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Rau KE, Jurgens CWD, Hammad HM, Porter JE, Doze VA
|
The Annual Meeting of the Society for Neuroscience
| Washington, D.C., USA | 2005 | Participant | |
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The Annual Meeting of the Society for Neuroscience
| San Diego, California, USA | 2004 | Participant | |
| | | | Fargo, North Dakota, USA | 2004 | Participant | |
| | | | San Diego, California, USA | 2003 | Participant | |
| | | | New Orleans, Louisiana, USA | 2002 | Participant | |
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O’Rourke ST, Hammad H, Yang Q, Scalbert E, Delagrange P, Vanhoutte PM
| | Orlando, Florida, USA | 2001 | Participant | |
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Proceedings of the 1st scientific conference of Faculty of Pharmacy/University of Philadelphia
| Jerash, Jordan | 1995 | Participant | |