Welcome to GCG!

GCG is proud to welcome two new team members: Corinne Wichser, PE (MN), LEED-AP BD+C & O+M, WELL AP, CEM and Sam Mansfield! Both bring strong expertise in managing projects that pursue green and healthy building certification. Corinne also specializes in mechanical engineering and existing buildings. If you are interested in assessing your existing building, please contact us!