July 2005 – present
Professor (July 2014 – present), Associate Professor (July 2009 – June 2014), Assistant Professor (July 2005 – June 2009) of Civil & Environmental Engineering (CEE) Department; UNC Charlotte
Research Director (September 2018 – present), Graduate Program Director (July 2012 – August 2018), Director (Nov. 2013 – present) & Faculty Fellow (July 2009 – present) of Infrastructure, Design, Environmental and Sustainability (IDEAS) Center; Assistant Director and Senior Research Associate of Center for Transportation Policy Studies (CTPS) (July 2005 – June 2014); Faculty Associate of Center for Applied Geographic Information Science (CAGIS) (July 2005 – June 2012); UNC Charlotte
Associate Director, Transportation Safety & Policy (TSAP) – an North Carolina Department of Transportation (NCDOT) sponsored Transportation Center of Excellence led by Highway Safety Research Center (HSRC), The University of North Carolina at Chapel Hill (UNC Chapel Hill) (January 2020 – present); Associate Director, Mineta Consortium for Transportation Mobility (MCTM), San Jose State University (SJSU) led Tier 1 University Transportation Center sponsored by the United States Department of Transportation (USDOT) (January 2017 – present)
Sep. 1998 – July 2005
Assistant Director (July 2002 – July 2005) & Assistant Research Professor (Sep. 1998 – July 2005) of Transportation Research Center (TRC), Adjunct Faculty (July 2002 – July 2005) of Civil, Environmental and Construction Engineering (CECE) Department; UNLV
Sep. 1995 – May 1998
Graduate Assistant, CECE Department and Transportation Research Center; UNLV
Jan. 1995 – Aug. 1995
Transportation Analyst, Consulting Engineering Services (India) Private Limited, New Delhi, India
July 1993 – Dec. 1994
Graduate Assistant, Department of Civil Engineering; Indian Institute of Technology Kanpur, India