[1] He attended the University of Oklahoma, where he obtained his BA in 1969, and Harvard Law School, where he earned his JD in 1972.
[3] From 1981 to 1986, he was a partner at the law firm Shearman & Sterling in New York City.
[3] He is the author of Security Interests in Personal Property (with Steven Harris, 6th ed.
[3][2] He served as a United States Delegate at the Diplomatic Conference for the Cape Town Convention on International Interests in Mobile Equipment and the Aircraft Protocol, and at the Diplomatic Conference for the Unidroit (Geneva) Convention on Intermediated Securities.
[3][7] Mooney also served as a Co-Reporter for the Drafting Committee for the Revision of Uniform Commercial Code (UCC) Article 9 (Secured Transactions), as the American Bar Association (ABA) Liaison-Advisor to the Permanent Editorial Board for the UCC, and as a member of Council and Chair of the Committee on UCC of the ABA Business Law Section.