2018 Spring

• Dist. Visiting Professor, Southwest Jiaotong University, Chengdu, China

2017 Fall

• International Killam Scholar, University of Calgary, Calgary, Canada

2013 - present

• Director, Transportation Program, NJIT

2012 - 2013

• Int. Chair Professor, National Taipei Univeristy of Tech, Taiwan

2006 - present

• Professor, John A. Reif Jr. Dept. of Civil and Environment Engineering, NJIT

2009 - 2011

• Dist. Visiting Professor, National Cheng-Kung University, Taiwan and Chang'an University, Xi'an, China

2001 - 2006

• Associate Professor, Dept. of Civil and Environment Engineering, NJIT

1996 - 2001

• Assistant Professor, Dept. of Civil and Environment Engineering, NJIT

1992 - 1993

• Research Assistant, Dept. of Civil Engineering, University of Maryland
  • Inland Waterway Transportation Project, US Army Corps of Engineers

1991 - 1992

• Research Fellow, Turner-Fairbank Research Center, FHWA-USDOT
  • Development of the CORSIM Microscopic Traffic Simulation Software

1990 - 1991

• Research Assistant, Dept. of Civil Engineering, University of Maryland
  • Arterial Weaving Flow Analysis, Maryland State Highway
  • Inland Waterway Transportation, US Army Corps of Engineers