• Doosti reservoir dam
    Doosti reservoir dam
  • Bidvaz Reservoir Dam
    Bidvaz Reservoir Dam
  • طرح سد دوستي (طرح مشترك ایران و ترکمنستان بر روی رودخانه مرزی هريرود)
    طرح سد دوستي (طرح مشترك ایران و ترکمنستان بر روی رودخانه مرزی هريرود)
  • مطالعات بهبود کیفیت جریان آب ورودی به دریاچه شهدای خلیج فارس (چیتگر)
    مطالعات بهبود کیفیت جریان آب ورودی به دریاچه شهدای خلیج فارس (چیتگر)
  • سـد و نيروگاه پيرتقي در حوضه قزل اوزن
    سـد و نيروگاه پيرتقي در حوضه قزل اوزن
  • Pirtaghi Dam and Powerplant in Ghezelozon area
    Pirtaghi Dam and Powerplant in Ghezelozon area
  • طراحی، تهیه، نصب، اجرا و بهره برداری سد و قفل کشتیرانی مارد آبادان به روش  طرح و ساخت (EPC غیرصنعتی)
    طراحی، تهیه، نصب، اجرا و بهره برداری سد و قفل کشتیرانی مارد آبادان به روش طرح و ساخت (EPC غیرصنعتی)
  • Endineering, Procurement, Installation,Construction &Operation of Mared Abadan Dam &ship - Lock by EPC Method (EPC)
    Endineering, Procurement, Installation,Construction &Operation of Mared Abadan Dam &ship - Lock by EPC Method (EPC)
  • تأمین آب و تأسیسات پمپاژ، انتقال و دفع باطله معدن مس سونگون (فاز I و II)
    تأمین آب و تأسیسات پمپاژ، انتقال و دفع باطله معدن مس سونگون (فاز I و II)
  • (1 & 2 ) Sungun copper factory`s water supply, pumping installations and tailings disposal and transfer
    (1 & 2 ) Sungun copper factory`s water supply, pumping installations and tailings disposal and transfer

Managing Director

Dr. Saeed Nairizi

Dr. Saeed Nairizi, Head of the Board and Managing Director of Toossab Company, who has played fundamental role in organizing, development and expansion of the company, is one of the most significant and predominant members of some international institutions dealing  with water resources management. 

He was born in 1946 in Tehran, he graduated from Ahwaz University in 1968, acquired his Master's degree in Soil & Water Engineering from Cranfield University, U.K in 1974, and was granted his PhD degree in Civil Engineering majoring water resources in 1977, Southampton University, U.K. Once back in Iran, he was appointed  member of scientific board at Ferdowsi  University of Mashhad and maintained this position until 1983. He was then selected as Khorasan regional Managing Director of Mahab Ghods Consulting Engineers until 1988 when he was invited to cooperate with Toossab Consulting Engineers as the Managing Director of the Company. 

Dr.Saeed Nairizi was elected as a new President of the International Commission on Irrigation and Drainage (ICID)  in September 2014 at the Sixty-Fifth Congress of this fraternity for 3 years . He also has been selected as Vice President of the commission and President of Finance Committee in previous years In 1999, he was granted the ICID WATSAVE Annual Award in Granada, Spain, for the best innovation in the field of water consumption management and conservation presented in a paper called "Dual Distribution System of Urban Water as final approach in water shortage conditions"

Apart from the position of Managing Director of the company he has been the manager of the following projects as well:
  • -Mashhad Integrated Water Supply Plan
  • -Doosti Dam Water Transmission to Mashhad
  • -Mashhad Water Distribution and Treatment Plant
  • -Mashhad Wastewater Collection and Disposal Network
  • -Mashhad Independent Landscape Irrigation System
  • -Studies regarding Participatory Irrigation in Dez area

Memberships in Research and Scientific Associations:
  • -President of the International Commission on Irrigation and Drainage(ICID), 2014-2017
  • -President of Finance Committee of International Commission on Irrigation and Drainage(ICID),2008-2014
  • -Chairman of the ICID Working Group on Irrigated Agriculture under Drought and Water Scarcity ,2001-2010
  • -Vice President of the International Commission on Irrigation and Drainage(ICID),2001-2004
  • -Member of American Society of Civil Engineers (ASCE)
  • -Member of Executive Board of Iran National Committee on Irrigation and Drainage(IRNCID)
  • -Member of Executive Board of Iran National Water & Wastewater (IRNWW)

Books Published in Persian:
  •    -Use of Brackish Water in Sustainable Agriculture, 2002, IRNCID
  •    -Preventing Water Pollution Resulted from Agricultural Activities, 2003, IRNCID

Books translated:
  •    -Criteria  for Selection of Irrigation Systems, 1999, IRNCID
  •    -Global Experiences of Farmers Participation in Irrigation Management, 1998, IRNCID
  •    -Introduction of Cable Irrigation, 1997, IRNCID
  •    -Surge Irrigation, 1997, IRNCID
  •    -Drainage Engineering, 1988, Ferdowsi University, Mashhad, Iran
  •    -Irrigation, Design and Practice, 1988, University Publications Association

He has presented many papers in Persian and English in national and international conferences.