1. Sr. Assoc., Simpson, Gumpertz, and Heger, Inc., Arlington, MA QUIA
2. Sr. Prin., Simpson, Gumpertz, & Heger, Inc., Arlington, MA 02174
3. Chmn., Design Task Group, American Concrete Pressure Pipe Assoc., and Sr. Vice Pres., Tech., Ameron, Monterey Park, CA 91754