22 years across engineering, research, and consulting

Leading the transportation division, overseeing traffic safety diagnostics, transportation planning, and consulting projects nationwide.

Led the traffic division and oversaw transportation projects, traffic safety analyses, and consulting services for municipalities across Korea.

Provided expert consulting for traffic safety and system dynamics, and developed advanced models for traffic accident risk prediction.

Managed the System Dynamics Team, developing predictive models and analytics for transportation, real estate, and population forecasting.

Co-authored 'The Collapse of the Republic of Korea', a book examining Korea's demographic future through system dynamics.

Directed research planning and solution development, focusing on AI-driven approaches to transportation challenges.

Managed major transportation planning projects for municipal governments and conducted comprehensive traffic safety audits for critical infrastructure.

Directed transportation planning initiatives focused on sustainable mobility, parking environment evaluation, and crime prevention in parking facilities.

Conducted pedestrian traffic improvement studies and traffic safety diagnostics for expressway and road expansion projects.

Conducted research on international transportation cooperation with a focus on developing countries, including Mongolia's green public transportation strategy with GGGI.

Developed public transportation master plans for multiple cities, conducted traffic congestion improvement studies, and designed metropolitan bus route systems.

Assisted in road design and transportation planning projects, and researched traffic conflict techniques (TCT) for accident prediction.