Photo persons from the left side: Dr.-Ing.Abedulgader Baktheer, Msc. Soheil Esfandiari, Univ.-Prof. Dr.-Ing. Dr.-Ing. E. h. Josef Hegger
American Concrete Institute (Since 2013)
Member of Iranian national Elite and Iranian Engineers council (Since 2013)
American Society of Civil Engineers (Affiliate Member Since 2012)
Germany Society of Civil Engineers (Since 2021)
Canada Society of Civil Engineers (since 2022)