Professor An Tran has taught undergraduate, graduate and executive marketing courses, including consumer behavior, digital marketing, marketing research, services marketing, principles of marketing, marketing management and experimental design, at University of Colorado at Boulder, Drexel University, University of San Francisco, and University of La Verne. She has taught through all modalities including in person, hybrid, and online.

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She has also assisted in developing new degree programs, such as a Master of Science in Data Analytics program, and developed new courses.