Irene Lee is a research scientist at MIT's Scheller Teacher Education Program / Education Arcade. She is the founder and director of Project GUTS: Growing Up Thinking Scientifically and the author of the CA NGSS Curriculum Framework text and grade span vignettes on computational thinking, modeling, and simulation. Lee's research focuses on students' and teachers' understanding of complex adaptive systems and their development of computational thinking skills. She is the chair of the Computer Science Teachers Association (CSTA) Computational Thinking Task Force and serves as a lead writer of the K-12 Computer Science Frameworks and the CSTA K-12 Computer Science Standards. Lee is past president of the Supercomputing Challenge and the Swarm Development Group, and past director of the Learning Lab at Santa Fe Institute.