Irene Lee is a research scientist at the Scheller Teacher Education Program and The Education Arcade. She is the founder and program director of Project GUTS: Growing Up Thinking Scientifically and Teachers with GUTS. The programs she develops enable participants to create computer models and use them to gain a scientific understanding of the world around them. Lee’s research focuses on students’ and teachers’ understanding of complex adaptive systems and their development of computational thinking skills. She served as the chair of the Computer Science Teachers Association (CSTA) Computational Thinking Task Force and as a lead writer of the K-12 Computer Science Frameworks and the CSTA K-12 Computer Science Standards (of 2011). Lee is a past president of the Supercomputing Challenge and the Swarm Development Group, and was previously the director of the Learning Lab at Santa Fe Institute.