At CSUF, Dr. Haan has taught the following Chemistry classes: 100 (Survey of Chemistry), 315 (Theory of Quantitative Analysis), 316 (Quantitative Analysis Laboratory), 411C (Separations), 411D (Electrochemistry), and 511 (Advanced Analytical Chemistry). In Chemistry 315, Dr. Haan uses a flipped classroom model that incorporates a workbook and problem solving videos.