The International Society for Trenchless Technology

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Gold Medal History
ISTT recognizes individuals who are judged to have made an outstanding and exceptional individual contribution to trenchless technology. This special award has been presented only five times in the 25-year history of ISTT. Below is the trenchless leaders who have received ISTT’s highest award.

1992, No-Dig Paris

Mathieu le Chatelier served the ISTT from its formation until 1991. His drive and enthusiasm played a major part in the formation of the French Society and the creation of the present structure of the ISTT.

1995, No-Dig Dresden
Dr. Satoru Tohyama led the Japanese Society delegations to each of the No-Digs from their inception in 1985. He pioneered the use of trenchless in Japan. He later became the first President of the ISTT in November 1998 until his retirement from active duties in September 2001.

1996, No-Dig New Orleans
E W (Ted) Flaxman was the founder of the ISTT; ISTT’s first Chairman, and Chairman Emeritus. He organised the first international trenchless conference in London - "No-Dig 1985” and the subsequent effort the led to formation of ISTT as a society dedicated to the advance of trenchless for the public benefit. He remains active in Society matters as a member of the ISTT Guarantors.

2001, No-Dig Prague
Dr. Ivo Vavra dedicated his life to the education of new civil engineers especially in the field of trenchless technology. He was Deputy Head of the Construction Technology Department at the Czech Technical University where led a number internation student exchange programs. He was an active member of ISTT and CzSTT becoming Chair of CzSTT in 1994.

2009, No-Dig Toronto
Dr. Ray Sterling served as Chair of ISTT where his innovative streak and great diplomacy resulted in a fundamental restructuring of the way ISTT conducts its business. He implemented a fundamental change and a significant expansion in membership participation in the Society’s decision making. Ray was the unofficial ambassador of ISTT visiting just most every member society when in office.

2016, No-Dig Beijing
Dr. Downey has been a member of ISTT since its founding in 1986. He held many positions of leadership within ISTT and in the trenchless industry. He served on the ISTT Executive Committee from 2000 to 2012 and as the Society’s Chairman from 2007 to 2009, during which time ISTT launched significant new world-wide education and training programs. He was key member of ISTT instructor team spreading the word on the use and benefits of trenchless applications worldwide.
 






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