At UC Berkeley, he served as chief innovation and entrepreneurship officer from 2020 to 2024 and as dean of its Haas School of Business from 2008 to 2018.[4][5] He joined the UC Berkeley business faculty in 1993 after earning a Ph.D. in economics from the Massachusetts Institute of Technology and teaching at Columbia University for six years.
Before joining Haas in 1993, Lyons spent six years on the faculty at Columbia Business School. In addition to teaching, he has been acting dean (2004–05), executive associate dean (2005–08), and dean (2008–18) at Haas School of Business. Lyons also served as the chief learning officer at Goldman Sachs in New York City from 2006 to 2008.