Diane P. Wood received her BA in 1971 and her JD in 1975 from the University of Texas at Austin. After graduation, she clerked for Judge Irving L. Goldberg of the Fifth Circuit and for Justice Harry A. Blackmun of the US Supreme Court. She then worked briefly for the US State Department on international investment, antitrust, and transfer of technology issues. Moving on to Covington & Burling, Judge Wood continued a more general antitrust and commercial litigation practice until June 1980. From 1980 to 1981, she was an assistant professor at the Georgetown University Law Center. In 1981, she joined the faculty of the Law School. She spent 1985 to 1986 on leave as a Visiting Professor at Cornell Law School, and she was on leave during the fall quarter 1986, while she worked on the project to revise the Department of Justice Antitrust Guide for International Operations. She served as Associate Dean from 1989 through 1992. From 1993 until 1995, she was deputy assistant general in the Antitrust Division of the US Department of Justice with responsibility for the Division's International, Appellate, and Legal Policy matters. Before becoming a judge of the US Court of Appeals for the Seventh Circuit in 1995, Judge Wood was the Harold J. and Marion F. Green Professor of International Legal Studies.
Judge Wood's research interests include antitrust (both international and general), federal civil procedure, and international trade and business. She has taught in all three fields.