1- 1^st Congress of Anatomy, 1993, Kerman, Iran.

  2- 2^nd Congress of Anatomy, 1994, Esfahan, Iran.

  3- 1^st  Symposium of Anatomical Sciences, Health Ministry, 1995, Tehran, Iran.

  4- 12^th International Physiological-Pharmacological Meeting, 1995, Tehran, Iran.

  5- 5^th Congress of Biology, 1996, Tabriz, Iran.

  6- 3^rd  Congress of Anatomy, 1996, Tehran, Iran.

  7- 1^st  Congress of Zoology, 1997, Tehran, Iran.

  8- 6^th Congress of Biology, 1998, Kerman, Iran.

  9- 2^nd Symposium of Anatomical Sciences, Health ministry, 1998, Tehran, Iran.

  10- 6^th Scientific Festival of Razi, 1998, Tehran, Iran.

  11- 14^th International Physiological-Pharmacological Meeting, 1999. Tehran, Iran.

  12- 8^th Congress of Biology, 1999, Kermanshah, Iran.

  13- 10^th Congress of Biology, 2001, shiraz, Iran, 2001.

  14- 3^rd  International Sciences Conference of Yemen, 2001,  Sanaa,  Republic of Yemen.

  15- 1^st  Cellular-Molecular Conference, 2002, Ahwaz, Iran.

  16- 4^th  International Sciences Conference of Yemen, 2003, Taez,  Republic of Yemen.

  17- 16^th International Physiological-Pharmacological Meeting, 2003,Tehran, Iran.

  18- 11^th Congress of Biology, Urmia,  2003,Urmia, Iran.

  19- 1^st  Conference of  Cellular-Molecular Biology, 2003,Tehran, Iran.

  20- 5^th  International Sciences Conference of Yemen, 2003, Syeon,  Republic of Yemen.

  21- 1^st  Congress of Medicinal Plant of Khorramabad, 2004, Khorramabad, Iran.

  22- 2^nd Congress of Medicinal Plant of Qum, 2004, Qum, Iran.

  23- 4^th  Congress of Anatomy,  2004,Shiraz, Iran.

  24- 2^nd  International ACCED Meeting, 2004 Athen, Greece.

  25- 9^th Pharmaceutical Sciences Congress, 2004,Tbriz, Iran.

  26- 12^th Congress of Biology,  2004, Hamadan, Iran.

  27- 8^th International Meeting of Toxicology, 2004,Tehran, Iran.

  28- 2^nd International Congress on Traditional Medicine & Materia Medica, 2004,Tehran, Iran.  

  29-  8^th International  Congress of Endocrine, 2004,Tehran, Iran.

  30-  7^th International  Congress of Dermatology, 2004,Tehran, Iran.

  31- International  Congress of AEEDC, Dubai, 2005, UAE.

  32- 7^th Congress of Iranian of physiology & pharmacology, 2005, Kerman, Iran.

  33- 7^th Ascian Congress of Dermatology, 2005, Kuala Lumpour Malaysia.

  34- 5^th Neuroscience Conference of Iranian Children, 2006, Zahedan, Iran.

  35- 19^th Word Diabetes Congress, 2006, Cape town South Africa.

  36- 18^th Iranian Congress of physiology & pharmacology, 2007, Mashhad Iran.

  37- 37^th annual Conference Indian academy of cytologists (Cytocon 2007),  Allahabad India.

  38- 2^nd Congress of Cellular and Molecular Biology, 2008, Kerman, Iran.

  39- 9^th National Congress of Medical Education, 2008,Yazd, Iran.

  40- 5^th Asian-Pacific International Congress of Anatomical Sciences , 2008, Tehran Iran.

  41- 18^th International Congress for Eye Research, 2008, Beijing China.

  42- The first national congress of Cleft lip & Palate, 2008, Esfahan, Iran.

  43- The first Congress of Cytotechnology & its applications, November 2008, Mashhad, Iran.

  44- The First Regional (EMRO) Congress on TOBACO and HEALTH, January 2009, Kish Island, Iran.

  45- 10^th National Congress of Medical Education, May 2009, Shiraz, Iran.

  46- 1^st  National Congress of Endothelium,  May 2009, Esfahan Iran.

  47- Seminar of New Educational Methods in Anatomical Sciences, July 2009, Tabriz, Iran.

  48- The 3^rd Regional Congress on International Health Services of Iran, Nov 2009, Urmia, Iran.

  49- 1^st International Congress of Aesthetic Dermatology, January 2010, Bangkok Thailand.

  50- 9^th Iranian Child Neurology Congress,  January 2010, Bandar Abbas, Iran.

  51- The 9^th Iranian Congress of Anatomical Sciences, May 2010, Hamadan, Iran.

  52- The Second International Congress on Reproductive Health/Family Planning, October 2010, Urmia,  Iran.

  53- International Asthma, Allergy and immunology Congress, October 2010, Mashhad, Iran.

  54- The 8th Asia Pacific Congress of Allergy, Asthma and Clinical Immunology, (APCAACI), November 2010, Singapore .

  55- National Congress of Quality Life and Health Promotion, March 2011, Chabahar, Iran.

  56- The 2^nd International Congress of Iranian Society of Pediatric Nephrology, July 2011, Mashhad, Iran.

  57-  11^th Congress of Iranian  Society of Toxicology, September 13-15,  2011, Mashhad, Iran.   

  58- The International Congress on Applied Biology, September 1-2  2011, Mashhad, Iran.

  59- 12^nd International Congress of Biochemistry and Molecular Biology,  September 6-9  2011, Mashhad, Iran.

  60- 10^th  Iranian  Anatomical Sciences Congress, May 9-11  2012, Rasht, Iran.

 61- 7^th Biennial Asia Pacific Pediatric Endocrine Society (APPES) Sientific Meeting, November 14-17,  2012, Bali, Indonesia.

 62- 4^th International Congress of Neurology and Epidemiology, November 6–8, 2014, Kuala Lumpur, Malaysia.

 63- The 2^nd National Congress on Cytotechnology & its applications, Oct. 20, 2015, Mashhad, Iran.