Francis J. Hopcroft, has been teaching civil and environmental engineering at Wentworth Institute of Technology in Boston, MA, since January of 1994. He has written several books on various topics such as hazardous waste management, wastewater treatment, and engineering economics. He has served as the collection editor for the environmental engineering collection at Momentum Press since 2013, and has published or reviewed dozens of professional papers, articles, and presentations. Gergely (Greg) Sirokman, born in Szeged, Hungary, is an associate professor of chemistry in the Department of Sciences at Wentworth Institute of Technology, focusing on education of engineering students. He earned a BS in chemistry from Brandeis University and a PhD in inorganic chemistry from the Massachusetts Institute of Technology. He has personally mentored students in Wentworth's Environmental Science program and has several publications with ASEE on using games to teach at the college level. Dr. Sirokman's scholarly activities are focused on renewable energy applications and biodiesel production.