Mark Joseph Guzdial (born September 7, 1962) is a Professor in the College of Engineering at the University of Michigan. He was formerly a professor in the School of Interactive Computing at the Georgia Institute of Technology affiliated with the College of Computing and the GVU Center. He has conducted research in the fields of computer science education and the learning sciences and internationally in the field of Information Technology. From 2001–2003, he was selected to be an ACM Distinguished Lecturer, and in 2007 he was appointed Vice-Chair of the ACM Education Board Council. He was the original developer of the CoWeb (or Swiki), one of the earliest wiki engines, which was implemented in Squeak and has been in use at institutions of higher education since 1998. He is the inventor of