Well-respected in the field of computer science education, Nell Dale has served on the faculty of The University of Texas at Austin for more than 25 years and has authored over 40 undergraduate computer science textbooks. After receiving her BS in Mathematics and Psychology from the University of Houston, Nell entered The University of Texas at Austin, where she earned her MA in Mathematics and her PhD in Computer Science. Nell has made significant contributions to her discipline through her writing, research, and service. Nell’s contributions were recognized in 1996 with the ACM SIGCSE Award for Outstanding Contributions in Computer Science Education and in 2001 with the ACM Karl V. Karlstrom Outstanding Educator Award. She was elected an ACM Fellow in 2010. In 2013, she received the IEEE Taylor L. Booth Education Award. Nell has retired from full-time teaching, giving her more time to write, travel, and play tennis and bridge. She lives in Austin, Texas.

John Lewis is a leading educator and author in the field of computer science. He has written a market-leading textbook on Java software and program design. After earning his PhD in Computer Science, John spent 14 years at Villanova University in Pennsylvania. He now teaches computing at Virginia Tech, his alma mater, and works on textbook projects out of his home. He has received numerous teaching awards, including the University Award for Teaching Excellence and the Goff Award for Outstanding Teaching. His professional interests include object-oriented technologies, multimedia, and software engineering. In addition to teaching and writing, John actively participates in the ACM Special Interest Group on Computer Science Education (SIGCSE) and finds time to spend with his family and in his workshop.