Dr. Suzanne Ruder is an Associate Professor of Chemistry at Virginia Commonwealth University. Dr. Ruder earned a B.A. in chemistry from the College of St. Benedict, a Ph.D. degree in organic chemistry from Washington State University, and completed a post-doctoral position at Brown University. Her research focuses on training teaching assistants, designing instructional materials and developing methods to assess process skills in the active learning classroom. Dr. Ruder teaches organic chemistry at VCU using active learning methods in large classes (up to 250 students). In addition to authoring this set of POGIL activities for organic chemistry, she has led seminars and workshops about active learning throughout the United States and Australia. She has been involved with the POGIL project since 2003 in a variety of ways including facilitating workshops, training workshop facilitators and serving on the Steering Committee.