Yasin Torun, Chairman of the newly formed Turkish Society for Infrastructure and Trenchless Technologies and Dec Downey ISTT Chairman signed an affiliation agreement in a ISTT registered office in Belgrave Square, London on 21 September 2010 (pictured). Also attending the signing was Prof Dr Fevzi Yilmaz of Sakarya University, Norman Howell, International Director UKSTT and Ahmet Gulec, Vice Chairman of the Turkish Society.