Wbasny Chapters

Deirdre L. Hay

Deirdre L. Hay

Cornell Law School

609 Cayuga Heights Road, Ithaca, NY 14850


Deirdre L. Hay, (S.J.D.), Esq., works at Cornell Law School as Director of Graduate Legal Studies Career Advising.

Dr. Hay has a law degree from The University of Melbourne, Australia (1989) and a Doctor of Juridical Studies (S.J.D. Univ. Sydney, 2005). Her thesis was published in 2008 by Vandeplas Publishing and is entitled: Unilateral Effects from Mergers of Firms Offering Differentiated Products: Australia and the United States Compared. Her research was in part funded by the Donald McCredie Fellowship which she won in 1996. A presentation of her research to Australia’s competition authority led to the Australian Merger Guidelines being amended.

Dr. Hay was admitted to practice in New York, Third Judicial Department, on September 22, 1998. She is also admitted in the U.S. Court of Appeals for the Ninth Circuit. On December 11, 2017, she along with a group of WBASNY women, was admitted to the United States Supreme Court. Dr. Hay is also admitted to the High and Federal Courts of Australia, and the Supreme Courts of Victoria and New South Wales. Prior to starting her own firm, Dr. Hay worked for sixteen years in U.S. law firms, including at Harris Beach PLLC. She worked eight years at Baker & Miller PLLC with former Assistant Attorney General and former Cornell Law Professor, Donald I. Baker.  Prior to that, she practiced in electricity deregulation in Washington D.C. at the forerunner of K&L Gates and at Cleary Gottlieb Steen & Hamilton LLP. She also served for six years at the ABA’s Antitrust Law Journal as Managing Editor and Editor and has written many articles for legal and economic journals.

In 2006, Dr. Hay co-founded the Finger Lakes Chapter of WBASNY and has served on the FLWBA Board as Director/Delegate, President and Immediate Past President. She built ties with FLWBA and community organizations and hosted FLWBA’s first Meet the Judges event in Ithaca. She has attended WBASNY Board meetings for fourteen years, seven on the Legislative Committee and five on the Executive Committee as Finger Lakes Women’s Bar Association President, WBASNY Corresponding Secretary, Recording Secretary, Vice President, President-Elect and most recently President. She served as Co-Chair of the Equal Opportunity in the Profession Committee in the 2017-2018. Dr. Hay also serves on the New York CLE Board, chaired by the Hon. Betty Weinberg Ellerin, is a member of NYSBA’s Committee on Legal Education and Admission to the Bar, and was a member of the Committee on Women in the Law and NYSBA’s Antitrust Law Section. She is also a board member of Ithaca’s Women’s Opportunity Center.

Dr. Hay is married to Cornell Law professor, George Hay. They have three children, Andrew, Charlotte and Genevieve. Dr. Hay passed the first Sommelier’s exam, plays polo and rides her horse Timmy to keep fit.