| Walker, Carl - Kalamazoo, MI Parking Consulting - Structural Engineering; Precast Prestressed Concrete, Post-Tensioned Concrete, Durability, Security, Operations, Slip/Trip & Falls. American Concrete Institute, Precast Prestressed Concrete Institute, Post-Tensioning Institute, National Parking Association, International Parking Institute, Parking Consultants Council. University of Michigan Adjunct Professor. |