He was a member of the Angstones, an Ottawa band which "mix European and American folk music with zany lyrics and a jumping beat." The group consisted of Peter Kiesewalter on reeds (sax and clarinet) and accordion, Kurt Walther on guitar, Rob Frayne on sax, Geggie on bass, and Ian Mackie on drums. He has also recorded or performed with a wide range of improvisers: Vic Juris, Edward Simon, Seamus Blake, Jon Christensen, Andy Milne, Ben Monder, George Colligan, Craig Taborn, Sheila Jordan, David Murray, Andrew Cyrille, Donny McCaslin, Matt Brubeck, Ted Nash, Billy Hart, Marilyn Crispell, Myra Melford. Bill Carrothers, Cuong Vu and bassist Mark Dresser. Geggie has performed at various international jazz festivals including in Rouen and Maubeuge (France), in Molde (Norway) and throughout the United States.