The document lists the individual's various external appointments including serving as Editor-in-Chief of two journals on trenchless technology and underground space from 1996-2013, being an honorary editor and member of editorial boards for other publications from 2005-2012, and participating on numerous committees for organizations like the US Transportation Research Board and EPSRC in the UK related to subjects like cementitious soil stabilization, subsurface interactions, culverts and more from 1987 to the present. It also notes roles chairing and co-chairing several international conferences from 2002-2008 and examining PhD theses at other universities.