My name is Pingfan Hu, a PhD candidate in Systems Engineering at George Washington University, advised by Professor John Helveston. My work focuses on data science, quantitative modeling, and software development for human behavior and sustainable transportation. I develop open-source software for survey design and discrete choice modeling, and build full-stack research applications with , Python, Quarto, Shiny, and PostgreSQL. I also apply agentic AI engineering to design and deploy LLM-powered workflows that automate complex research and development tasks.