Isbell, Charles Lee Jr.

Impact on the world

Built a research career applying statistical machine learning to autonomous agents capable of interacting responsibly with large numbers of other intelligent systems, including humans, before moving into a series of increasingly senior academic leadership roles: dean of Georgia Tech's College of Computing in 2019, provost of the University of Wisconsin-Madison in 2023, and chancellor of the University of Illinois Urbana-Champaign; in 2020, a pixelated photograph of Isbell run through a popular AI image-enhancement tool was rendered as a white man rather than the Black man he actually is, an error that sparked a prominent, multi-day public debate between Facebook's chief AI scientist and Timnit Gebru, then Google's co-lead of AI ethics, over whether the failure stemmed from incomplete training data or from more fundamental flaws in how the underlying algorithm had been designed.

Life & background

Born in 1968 and earning his bachelor's degree in information and computer science from Georgia Tech in 1990, where he was named the university's outstanding student by its president, Isbell received fellowships from AT&T Bell Labs and the National Science Foundation to pursue graduate study at MIT's Artificial Intelligence Laboratory, where he also created what may have been the first online Black History Database. After completing his PhD at MIT in 1998 and working at AT&T Labs Research, he returned to Georgia Tech's faculty in 2002, rising steadily through administrative ranks, associate dean in 2008, senior associate dean in 2012, executive associate dean in 2017, before becoming the College of Computing's fourth dean in 2019; his research throughout this period focused on using machine learning to help autonomous systems engage in lifelong, adaptive learning in environments shared with other agents, including humans, with particular attention to building such systems responsibly and inclusively. The 2020 controversy surrounding his own misidentified photograph became, for many in the field, a vivid public illustration of exactly the kind of representational bias his own research career had worked to address, occurring the same year broader public attention to AI fairness and accountability was intensifying significantly. He left Georgia Tech in 2023 to become provost and vice chancellor for academic affairs at the University of Wisconsin-Madison, a position he held until 2025, before becoming the eleventh chancellor of the University of Illinois Urbana-Champaign; he has provided congressional testimony on technical and educational matters, is a fellow of the Association for the Advancement of Artificial Intelligence and the Association for Computing Machinery, and was elected to the American Academy of Arts and Sciences, continuing to advocate throughout his career for broader access to higher education and research-focused universities' role in civic life.

Sources

1. MIT Sloan Management Review (Diversity in AI); University of Wisconsin-Madison provost office; Georgia Tech College of Computing; American Academy of Arts and Sciences; Milken Institute