Hillary E. Cinocca practices in the area of employee benefits. Prior to joining Conner & Winters, Hillary served for thirteen years as in-house corporate legal counsel for The Williams Companies, Inc. (“Williams”). During her time at Williams, she provided counsel to the human resources and benefits departments related to employee benefits, ERISA, and executive compensation matters. Her responsibilities included drafting plan documents and communications, reviewing and negotiating various contracts, trustee agreements, and insurance policies related to benefit plans and policies, as well as providing guidance on fiduciary and settlor issues to the company and its various benefit plan committees. Hillary graduated as the top student from The University of Tulsa College of Law in 1998.

Honors & Leadership

Honors & Recognitions

Tulsa Law Journal Notes & Comments Editor

American Jurisprudence Awards for Top Grade in the Following Classes from The University of Tulsa College of Law: Constitutional Law II, Decedents’ Estates & Trusts, Basic Corporate Law, Secured Transactions, Introduction to Legal Reasoning & Writing, Property I, and Civil Procedure I

Author, “May v. National Union Fire Insurance Co.: Know Your Liability Limits,” 32 Tulsa Law Journal 801 (1997)
OBA Business Section Award

George & Jean Price Award (writing & research)

Moot Court Negotiation Winner 1995 and 1996

Pi Sigma Alpha, Emory University Political Science Honor Fraternity

Co-Valedictorian of Tulsa’s Thomas Edison High School 1991

Community & Professional

Oklahoma Bar Association

Tulsa Employee Benefits Association

Southwest Benefits Association

National Charity League, Inc.

Reading Partners Volunteer

PTA Member and Volunteer for Jenks Public Schools

Volunteer for Jenks Pom and Jenks Baseball Booster Clubs

Saint John’s Episcopal Church Member and Children’s Chapel Volunteer

Kappa Alpha Theta Fraternity for Women


B.A., Emory University. Atlanta, Georgia 1995

J.D., The University of Tulsa College of Law, with Highest Honors 1998


  • State Bar of Oklahoma - 1998
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