Attorney William Most graduated from Harvard College in 2005 and obtained a law degree from the U.C. Berkeley School of Law in 2011.  At Berkeley, Mr. Most was a member of the Order of the Coif, a designation awarded to the top ten percent of each class.

He practiced at the California law firm of Briscoe Ivester & Bazel LLP before moving to New Orleans and founding Most & Associates. He is licensed to practice in Louisiana and California.

Mr. Most has represented individuals, businesses, families, international entities, states, counties, non-profits, municipalities, state agencies, regional planning agencies, American Indian tribes, candidates for office, activists, law enforcement officers, journalists, artists, law professors, students, prisoners, farmers, tenants, developers, family trusts, private landowners, and utilities. He has experience in trial and appellate courts, and has sat on several advisory boards. 

He has practiced before the U.S. Supreme Court, state supreme courts, multiple federal and state courts of appeal, and trial courts from California to Louisiana to Maine.

He holds a Certificate of Specialization in Environmental Law, and a Certificate of Honor from the San Francisco District Attorney. He has been an editor of the Climate Change Law and Policy Reporter, a city-council-appointed member of the San Francisco Urban Forestry Council, and a Court Appointed Special Advocate (CASA) for foster youth.

Mr. Most is Of Counsel to the ATA Law Group, a California-based law firm.  He has served as a board member of the National Police Accountability Project. He is a Fellow of the Institute of Politics, New Orleans, Louisiana, and a Scholar of the National Lawyers Guild.

He is also the 2023-2024 and 2024-2025 Chair of the New Orleans Bar Association Civil Rights Committee.

Mr. Most was selected for the Louisiana Rising Stars lists published by Thomson Reuters for 2020, 2021, 2022, and 2023. He was selected for the Louisiana Super Lawyers list for 2024 and 2025. He is the recipient of the New Orleans Chapter of the Federal Bar Association's 2025 Public Service Award.

Mr. Most has been voted by his peers to be among the Top Lawyers listed in New Orleans Magazine, including:

• 2021 - Employee Benefits Law

• 2021 - Labor & Employment

• 2022 - Labor & Employment

• 2023 - Employee Benefits Law

• 2023 - Labor & Employment

• 2024 - Labor & Employment

• 2025 - Labor & Employment

Mr. Most has testified before the state legislature, made hundreds of media appearances, and frequently presents on a range of topics. Recent presentations include:

• 2025 Civil Rights Update (NOBA, Dec. 16, 2025)

• Professionalism in the Legal Profession: Practice of a Learned Art (LSBA, Dec. 10, 2025)

• Know Your Rights (Dec. 1 & Dec. 11, 2025)

• Presentation to East Baton Rouge Parish Prison Coalition (Oct. 31, 2025)

• Overdetention and Heck (GWU, Oct. 28, 2025)

• Habeas Corpus (Loyola, Oct. 21, 2025)

• Qualified Immunity Inside and Outside Split-Second Policing Decisions (Federalist Society, Aug. 20, 2025)

• NOPD’s Deficient Brady Policy and Police Accountability (OPD, Aug. 19, 2025)

• Exploring the Intersection of Civil Rights & Medicine (Thomas Jefferson University, July 15, 2025)

• Qualified Immunity: The Doctrine That Maybe Isn’t (Civil Rights Etouffee, Feb. 14, 2025)

• The Life Cycle of a Civil Rights Case (NOBA, April 3, 2025)

• 1983 Actions and Police Accountability (LACDL, Dec. 6, 2024)

• 2024 Civil Rights Update (NOBA, Dec. 18, 2024)

• Qualified Immunity and Appellate Litigation (Northwestern University, Oct. 17, 2024)

• Overdetention: Louisiana’s Endemic Constitutional Violation (Sept. 24, 2024)

• Preparing for Appellate Oral Argument (Loyola University, Feb. 29, 2024)

• Prisoners’ Rights Appeals and Qualified Immunity (Northwestern University, Oct. 11, 2023)

Prior to a career in law, Mr. Most was a fisheries biologist.