Karrie Karahalios an American computer scientist and professor in the Department of Computer Science, University of Illinois at Urbana-Champaign. She is noted for her work on the impact of computer science on people and society, analyses of social media, and algorithm auditing. She is co-founder of the Center for People and Infrastructures at the University of Illinois at Urbana-Champaign. She received her bachelor’s degree at MIT in EECS in 1994, ME in EECS in 1995, S.M. in Media Arts and Sciences in 1997, and a PhD in Media Arts and Sciences in 2004. Karahalios joined the Department of Computer Science at the University of Illinois at Urbana-Champaign in 2004, her research focuses on social media and the impact of computing on society, including algorithmic bias and methods to detect and analyze such bias, a field termed “algorithm auditing”. Karahalios was one of the recipients of the National Science Foundation CAREER Awards in 2007, of the A. Richard Newton Breakthrough Research Award in 2008, and of the Alfred P. Sloan Fellowships in 2010. She was named a University Scholar at the University of Illinois in 2019. She has received Best Paper awards for publications in the Conference on Human Factors in Computing Systems (CHI) in 2008, 2009, 2015, and 2017.