Primary Appointments

2007 – Present

President and CEO, Transportation Research Innovations and Applications (TRIA Inc.), Hoover, AL

2002 – Present

Professor/Associate Professor; Transportation Program Director. The University of Alabama at Birmingham, Department of Civil, Construction, and Environmental Engineering (CCEE), Birmingham, AL

1/2011 – 7/2011

Visiting Professor, University of California Berkeley, Civil and Environmental Engineering; Institute of Transportation Studies and PATH-CCIT (California Partners for Advanced Transit and Highways and California Center for Innovative Transportation), Berkeley, CA

2002 – 2003

Adjunct Associate Professor, Michigan State University, Department of Civil and Environmental Engineering, E. Lansing, MI

1995 – 2002

Assistant Professor, Michigan State University, Department of Civil and Environmental Engineering, E. Lansing, MI

1994 – 1995

Adjunct Assistant Professor, Illinois Institute of Technology, Department of Civil Engineering, Chicago, IL

1994 – 1995

Associate Research Scientist, University of Illinois at Chicago, Department of Electrical Engineering and Computer Science, Chicago, IL

1994 – 1995

Transportation Specialist, P/R Michaels Associates, LTD. Chicago, IL

1992 – 1993

Research Fellow, Federal Highway Administration, McLean, VA

1991 – 1992

Teaching Assistant, University of Illinois at Chicago, Chicago, IL

1989 – 1994

Research Assistant, University of Illinois at Chicago and Illinois Department of Transportation, Chicago, IL

Secondary Appoitnments

2015 – Present

School of Public Health, Center for Study of Community Health

2012 – Present

University of Alabama at Birmingham Representative to the Southern Transportation Research, Innovation, Development, and Education (STRIDE) University Transportation Consortium, Gainesville, FL

2006 – Present

Senior Scientist, Faculty Appointment at the UAB Injury Control Research Center, Birmingham, AL

2003 – Present

Member of the UAB Center for Emerging Infections and Emergency Preparedness (CEIEP), Birmingham, AL

2002 – Present

Adjunct Associate Professor, Full Member of Graduate Faculty, University of Alabama in Huntsville, Department of Civil and Environmental Engineering, Huntsville, AL