Johnson Carlier today announced that Debbie Retterer has joined the Johnson Carlier team as Director of Business Development. Formerly with Summit dck, Retterer’s background encompasses eighteen (18) years of experience in the commercial real estate industry; eight (8) years specific to commercial construction. Debbie’s responsibilities include development, coordination and implementation of a strategic marketing/business development plan and development of new and existing relationships to maintain and capture new opportunities. Debbie graduated from the University of Arizona with her Bachelor of Arts degree in Communications.