1. Graduate Research Assistant, Civil and Environmental Engineering, Michigan Technological Univ., Houghton, MI 49931.
2. Assistant Professor, Pavement Enterprise Director, Civil and Environmental Engineering, Michigan Technological Univ., Houghton, MI 49931.
3. Associate Professor, Civil and Environmental Engineering, Michigan Technological Univ., Houghton, MI 49931.
4. Director, Center for Teaching, Learning, and Faculty Development, Michigan Technological Univ., Houghton, MI 49931.