Judith "Judy" L. Estrin is an American business executive. She is the CEO of JLabs (formerly called Packet Design Management Company), through which she pursues a broad range of advisory activities including sitting on corporate and advisory boards and speaking engagements. Estrin is the author of "Closing the Innovation Gap: Reigniting the Spark of Creativity in a Global Economy" (McGraw-Hill; Hardcover, September 2008), a general interest book that challenges national, academic and business leaders to work together to make USA competitive again. Estrin is a technology entrepreneur who co-founded seven companies with Bill Carrico and was the CTO of Cisco Systems from 1998 to 2000. Estrin serves on the Board of Directors of the Walt Disney Company (since 1998) and the FedEx Corporation (since 1989). She has served on the boards of Rockwell Automation and Sun Microsystems. She also serves on the advisory boards of Stanford’s School of Engineering and Bio-X interdisciplinary program, and is a member of the University of California President’s Science and Innovation Advisory Board.