Dan Robbins


California Delegation

Dan Robbins has served on numerous committees including drafting committees on the Division of Income for Tax Purposes, Choice of Courts Agreements Convention Implementation and Fiduciary Access to Digital Assets; study committees on Bad Faith Patent Demand Letters, anti-SLAPP and Right of Publicity and the Scope and Program, Executive and ULC History committees. He served as the Chair of the Executive Committee from 2019 to 2021, Chair of Scope and Program from 2017 to 2019, and as ULC Secretary from 2015 to 2017.

Mr. Robbins serves as Senior Vice President and Associate General Counsel to the Motion Picture Association (MPA), where he is responsible for global competition and anti-corruption compliance, content security and legal technology issues. He also serves as the regional general counsel for Latin America and is deeply involved in MPA’s work in China. He also serves as general counsel to MovieLabs, an R&D joint venture of the major Hollywood studios.

Prior to MPA, Mr. Robbins worked at the firms of Graham & James and Pepper Hamilton, where he specialized in antitrust and intellectual property matters. He is a graduate of Vanderbilt University and the UCLA School of Law.

Tim Berg

Chair, Executive Committee

Arizona Delegation

Tim Berg was appointed as an Arizona Uniform Law Commissioner in 1993 and has been continuously reappointed by governors of both political parties. Over the years, he has served as chair or a member of various drafting and study committees and while he found the subject matter of each to be important and fascinating, he especially enjoyed chairing the drafting committees on the Model Tribal Secured Transactions Act and the Model Tribal Probate Code. He is the Chair of the ULC’s Executive Committee.

Tim is a 1975 graduate of the University of Arizona College of Law and clerked for the Honorable Richard H. Chambers, Chief Judge of the United States Court of Appeals for the Ninth Circuit. He serves on the Law College’s alumni board and on the board of the Arizona Equal Justice Foundation, supporting the availability of legal services in Arizona.

Tim has practiced at the Fennemore firm for forty-five years. His practice focuses on civil appeals in state and federal court, Arizona constitutional and public law, public records law and administrative law including utility regulation. He is a member and past president of the American Academy of Appellate Lawyers and has briefed and argued more than 500 appeals in various state and federal appellate courts.

Diane Boyer-Vine

Vice President

California Delegation

Diane Boyer-Vine served as the Legislative Counsel of California from 2002 until she retired on September 30, 2020. She joined the Office of Legislative Counsel in 1988 serving as a drafting attorney, supervisor, and chief deputy before being appointed as the Legislative Counsel. Throughout her service as Legislative Counsel, Ms. Boyer-Vine was a member of the California Law Revision Commission.

Ms. Boyer-Vine has been a member of the California Commission on Uniform State Laws and the Uniform Law Commission (ULC) since 2002. She served on the ULC Style Committee for many years, participated in ULC study and drafting committees, including chairing the Study Committee on Public Health Emergency Authorities and the Study Committee on the Criminalization of Student Discipline. Ms. Boyer-Vine was an at-large member of the Executive Committee and participated on the Scope and Program Committee.

Ms. Boyer-Vine received her J.D. from the University of California, Davis, King Hall School of Law. She received her undergraduate degree in Business Administration from California State University, Sacramento.

Ms. Boyer-Vine was an adjunct professor at McGeorge School of Law. During the Spring 2021 semester, she served as an adjunct professor at Hastings College of the Law, teaching advanced legislative process and coordinating legislative internships in California’s State Capitol.

Ryan Leonard


Oklahoma Delegation

Ryan Leonard has extensive experience litigating cases in federal and state courts, and specializes in solving complex business problems for his clients. Ryan practices primarily in the areas of business law and litigation, insurance law, receivership law and receiverships, oil and gas litigation, and Native American and Tribal law. He maintains the highest Martindale-Hubbell Preeminent Attorney Recognition (“AV”) rating for skill and ethics for attorneys based on professional peer reviews, and has been selected since 2016 as a top-rated “Super Lawyer” for business litigation. In 2021, Ryan was also selected as a "Top Rated Lawyer" by Corporate Counsel.

In 2008, Ryan was appointed by the Governor as a Commissioner representing the State of Oklahoma on the national Uniform Law Commission, and was reappointed in 2014 and 2018. In 2015, Ryan was appointed by the President of the national organization to the Executive Committee, and as chair of the national Legislative Council. Ryan has served on numerous committees within the organization, including drafting committees implementing the Hague Convention on Choice of Court Agreements (facilitating international contracts) and drafting a Model Tribal Probate Code. Ryan co-chairs the Committee on Attendance, and serves on the Committees on Scope and Program and State and Federal Relations.

Thomas J. Buiteweg


Michigan Delegation

Thomas J. Buiteweg is a partner in the Ann Arbor, MI office of the law firm of Hudson Cook, LLP. Mr. Buiteweg advises clients on motor vehicle and personal property financing and leasing and electronic financial services. He is also active in several rapidly evolving areas of the law affecting the delivery of financial services, including the regulation of virtual currency businesses, highly automated vehicles and smart contracts.

Mr. Buiteweg is an Adjunct Professor at the University of Michigan Law School where he teaches a course in sales and secured financing that focuses on dealer and consumer motor vehicle sales and financing. He speaks and writes frequently on financial services and vehicle-related topics, including electronic financial services, collections and repossessions, highly automated vehicles, the Uniform Commercial Code, and vehicle and personal property leasing.

Mr. Buiteweg currently serves as Chair of the Michigan Commission on Uniform State Laws and as the Treasurer and an Executive Committee Member of the ULC. He also chairs the ULC's Committee on Technology. His past ULC work has included the automated operation of vehicles, the regulation of virtual currency businesses, revisions to UCC Article 9 governing security interests in personal property, home foreclosure procedures, manufactured housing financing and motor vehicle titling.

Executive Committee

The Executive Committee is the ULC's governing board, and has the responsibility for implementing the policies adopted by the ULC at its meetings, and all the duties and powers prescribed by the Constitution and Bylaws.

Tim Berg, Chair
Elena Duarte
Lani Ewart
Melissa Hortman
Dan Robbins, President
Diane Boyer-Vine, Vice President
Ryan Leonard, Secretary
Thomas J. Buiteweg, Treasurer
Lisa Jacobs, Chair, Scope and Program Committee
Steve Wilborn, Chair, Legislative Committee
Carl Lisman, Immediate Past President
Tim Schnabel, Executive Director
Elizabeth Cotton-Murphy, Staff Liaison
Ben Orzeske, Staff Liaison