| 2011-2012 |
Consultant Nephorpathologist, Assistant professor (tenure track), Division of Surgical Pathology, University of Texas Medical Branch, Galveston, Texas |
| 2011 |
President of Newfoundland Association of Pathologists |
| 2011 |
Member of Banff Polyoma Virus Working Group |
| 2011 |
Member of Banff Fibrosis Scoring Group |
| 2009-2010 |
VicePresident of Newfoundland Association of Pathologists |
| 2006-2011 |
Consultant Nephorpathologist, Department of Pathology, Memorial University of Newfoundland/ Eastern Health, St. John’s, NL, Canada |
| 2007-2011 |
Consultant Uropathologist, Department of Pathology, Memorial University of Newfoundland/Eastern Health, St. John’s, NL, Canada |
| 1999 |
Member of Banff Transplant Glomerulitis working Group |
| 1997-2000 |
Editor of NEPHMIN, National Kidney Foundation, cyberNephrology Center, Edmonton, AB, Canada |
| 1993 |
Member of Specialized Committee in Iranian Blood Transfusion Center, Tehran, Iran |
| 1992 |
Cancer Institute, Electron Microscopy Department, Imam Hospital, Tehran University of Medical Sciences, Tehran, Iran |
| 1989-1997 |
Member of Editorial Board of the “SHAFA” Journal of Iranian National Kidney Foundation (INKF) |
| 1987-1988 |
Collagen Diseases Research Unit, Tehran University of Medical Sciences, Shariati Hospital, Tehran, Iran |