HCII Ph.D. Program Director
General Chair of ACM ASSETS 2019
Human-Computer Interaction Institute
Language Technologies Institute
School of Computer Science
Carnegie Mellon University
3525 Newell-Simon Hall
"The two hardest problems in computer science are: (i) people, (ii), convincing computer scientists that the hardest problem in computer science is people, and, (iii) off by one errors."