Mr. Choa is a registered Professional Traffic Engineer in California with over 30 years of experience in multi-modal traffic engineering and signal operations analysis. Fred serves as Fehr & Peers' National Multi-Modal Traffic Operations Safety Leader, mentoring the next generation of leaders based on his experience working on operations (Synchro, VISTRO, Tru-Traffic, PASSER, and TRANSYT),simulation (SimTraffic, CORSIM, Paramics, and VISSIM), and Travel Demand Forecasting (VISUM, Cube, and TransCAD) to improve safety and operations for all travel modes (passenger cars, pedestrians, transit, trucks, and bicyclists). In addition to being a transportation professional, Fred has enjoyed giving back to the transportation community by serving as an instructor for the University of California, Berkeley, Institute of Transportation Studies Technology Transfer Program for the past twenty-six (26) years. On occasion, Fred also teaches as a guest lecturer for both undergraduate and graduate level transportation classes, teaching how to use a combination of the Cube / TransCAD / VISUM Travel Demand Forecasting (TDF) Models and SimTraffic / VISSIM to forecast and analyze corridor operations for automobiles, pedestrians, transit, trucks, and bicyclists.