[1] He is also a past president of the International Geosynthetics Society, member of the US National Academies, and Chevalier de la Légion d'Honneur.

He has been president of the International Geosynthetics Society (1986–1990) and director of the Geotextiles and Geomembranes Group of Woodward Consultants (1978–1983).

He was chairman (two terms) of the Technical Committee on Geosynthetics of the International Society for Soil Mechanics and Geotechnical Engineering (ISSMGE).

Rarely does a single engineer creatively affect a particular application as much as he has.”[4] Giroud is also co-author with Professor J. Han of the Giroud-Han method for the design of unpaved roads stabilized with geosynthetics[5][6] used world wide.

Examples include: Giroud has worked on projects of dams, canals, reservoirs and waste storage landfills in North and South America, Europe, Africa, Middle East, Far East, Australia and New Zealand where he provided design and construction assistance.