Professor Klopfer’s research focuses on the development and use of computer games and simulations for building understanding of science, technology, engineering and mathematics. He works on mobile and online games designed to build understanding of scientific practices and concepts as well as critical knowledge. In the realm of simulations, Klopfer’s work focuses on students’ understanding of complex systems, and connecting computer programming with scientific practice, critical thinking, and real-world issues. He is the co-author of the books Adventures in Modeling, The More we Know, and author of Augmented Learning. Klopfer is also the co-founder, past President, and Board Member of the non-profit Learning Games Network.