 With his public safety expertise, Carignan went on to moderate and chair several seminars and workshops at a number of national conferences and symposia.From 2007 to 2009, he was president of the Centre for Expertise and Research on Infrastructures in Urban Areas (CERIU).Carignan also played an active role in several committees and commissions in the Communauté métropolitaine de Montréal (CMM) and served as vice-warden of the Deux-Montagnes MRC and on the Conférence régionale des élus executive council.