Before entering teaching, Professor Szto practiced law in New York City, representing banks in financing matters. She also co-founded a legal aid organization specializing in immigration law. Among other schools, she has previously taught at Mitchell Hamline School of Law, and Valparaiso University School of Law.
Szto has written extensively on issues such as the role of real estate agents and housing discrimination, and she has published a bilingual law text on American property law in China. Her articles—on Chinese-American property ownership, anti-corruption law, real estate, and Chinese law and ritual—have appeared in the Journal of Transnational Law & Policy, Fordham International Law Journal, Minnesota Journal of International Law, and elsewhere.