Skip to Main Content

Professionals The Team Behind the Results

Gittings Global - NE152126

Mackenzie B. Arnold

AssociateSt. Louis Metro / Madison County

Mackenzie Arnold is an associate in Hinckley Allen’s Litigation Group, where she works on a range of civil litigation matters, with a particular focus on product liability defense. She handles research, due diligence, contract drafting and review, case analysis, deposition preparation, and discovery in cases. She works on all stages of litigation, including pre-suit investigation, discovery, depositions, mediation, and trial.

Before joining Hinckley Allen, Mackenzie was a litigation associate in the Illinois office of a mid-sized, full-service law firm, where she established a strong foundation in legal research.

Work Experience

  • Hinckley Allen
    • Associate (2024-Present)
  • Sandberg Phoenix
    • Associate (2023-2024)
    • Summer Associate (2022)

Honors & Awards

  • Best Lawyers: Ones to Watch (2026)
    • Product Liability Litigation — Defendants

Certifications

  • National Society for Legal Technology, Certificate in Legal Technology (2022)
  • Thomson Reuters, Certificate in Essential Legal Research (2021)

Charitable & Civic Involvement

  • Asian American Chamber of Commerce of St. Louis

Professional Affiliations

  • Bar Association of Metropolitan St. Louis, Young Lawyers Division
  • Missouri Asian American Bar Association, Secretary (2023-Present)
  • Missouri Bar Association
    • Young Lawyers Section (2023-Present)
    • Member (2023-Present)
  • National Asian Pacific American Bar Association
    • Young Lawyers Network (2023-Present)
    • Member (2023-Present)
  • Saint Louis University School of Law, Young Alumni Society
    • Advisory Board (2023-Present)
    • Member (2023-Present)

Bar Memberships

  • Illinois
  • Missouri
  • United States District Court for the Eastern District of Missouri
  • United States District Court for the Western District of Missouri
  • United States District Court for the Southern District of Illinois
Firm News

Hinckley Allen Recognized for Excellence: 75% Attorneys Honored in The Best Lawyers in America® 2026

Hinckley Allen is proud to announce that 127 of its attorneys have been recognized in the 2026 edition of The Best Lawyers in America®, representing 75% of the firm’s legal team.

Firm News

Hinckley Allen Expands in the Midwest with Team of Eleven

Hinckley Allen has strengthened its litigation team with the addition of Ann Hatch, Tracy Beckham Phipps, and Jacqueline Redmond as partners; Mackenzie Arnold, Andrew Tedder, and Micaylee Uhls as associates; Brandon Adair, Alyssa Apollo, and Karen McCormic…

Past Event

The Bar Association of Metropolitan St. Louis: Annual Bench & Bar Conference

May 28, 2025

Mackenzie B. Arnold, a Litigation associate, will speak at the Bar Association of Metropolitan St. Louis’ Annual Bench & Bar Conference, taking place May 28–30 at Camden on the Lake. Mackenzie will participate in the Young Lawyers Track, where she�…