Katherine G. Farley is a retired real estate executive, philanthropist, and art collector. She earned a Bachelor of Arts from Brown University in 1971 and a Master of Architecture from Harvard Graduate School of Design in 1976. Farley joined Tishman Speyer in 1984, hired by Jerry Speyer to oversee international development, and advanced to Senior Managing Director, serving for 32 years until her retirement in 2016. She chaired the Lincoln Center for the Performing Arts Board of Directors from 2010 to June 2023 and led its $1.2 billion Redevelopment Project starting in 2006. Farley is a member of the American Academy of Arts and Sciences and a trustee of the Brookings Institution and Rockefeller University, with emerita status on the Lang Lang International Music Foundation board. She married Jerry I. Speyer in 1991, and they have a daughter, Laura Speyer (born 1992).