Mark E. Lassiter

Top rated Alternative Dispute Resolution attorney in Tempe, Arizona

The Lassiter Law Firm
Mark E. Lassiter
The Lassiter Law Firm

Practice Areas: Alternative Dispute Resolution, Business Litigation, Real Estate; view more

Licensed in Arizona since: 1995

Education: Loyola Law School Los Angeles

Selected to Super Lawyers: 2017 - 2020, 2022 - 2023

The Lassiter Law Firm

60 E. Rio Salado Parkway
9th Floor
Tempe, AZ 85281 Visit website


Mark E. Lassiter is an Arizona and California  attorney, arbitrator, and mediator with 40 years’ experience practicing in the areas of business, real estate, construction, technology, and organizational dispute resolution and transactions and alternative dispute resolution (“ADR”). He primarily serves his litigation clients in the Maricopa County (Phoenix) area but is also admitted to practice in California. His arbitration practice is national in scope, and he regularly travels out of state to handle arbitration matters in California, Nevada, New Mexico and Texas.  

As an arbitrator and mediator, he has been a commercial arbitrator with the American Arbitration Association for over 30 years, serving on its Commercial, Construction, Large and Complex Case, Emergency Relief and Consumer panels, and with the International Centre for Dispute Resolution. He is a Fellow in the College of Commercial Arbitrators, a Member of the National Academy of Distinguished Neutrals, and is among the Best of Arizona Attorneys in Alternative Dispute Resolution in RANKING ARIZONA.  

In 1980, Mr. Lassiter graduated cum laude from the University of California at Los Angeles. He then completed his law degree in 1983 at Loyola Law School. He has been licensed to practice in California, Arizona, and Colorado since 1983, 1995 and 2020, respectively.  

When not working, he enjoys traveling, cycling and spending time with his family.

Practice areas

Alternative Dispute Resolution, Business Litigation, Real Estate: Business, Construction Litigation: Business

Focus areas

Arbitration, Construction Defects, Mediation, Non-Compete Agreements, Trade Secret

  • 40% Alternative Dispute Resolution
  • 30% Business Litigation
  • 20% Real Estate: Business
  • 10% Construction Litigation: Business

First Admitted: 1983, California

Professional Webpage:

Educational Background:
  • B.A., History, University of California, Los Angeles, 1980
  • J.D., Loyola Law School, Los Angeles, 1983
Bar/Professional Activity:
  • Business Law Section, State Bar of Arizona, 1995
  • Construction Law Section, State Bar of Arizona, 1995
  • Member, State Bar of Arizona, 1995
  • Chair, Cloud Computing & Law Practice Management Subcommittee of the Technology Committee of the State Bar of Arizona, 2012
  • Alternative Dispute Resolution Section, State Bar of Arizona, 1995
  • Member, California State Bar, 1983
  • Chair, The Technology Committee of the State Bar of Arizona, 2014
  • Real Estate Law Section, State Bar of Arizona, 1995
  • American Bar Association
  • Member, Project Management Institute ("PMI"), 2011
Scholarly Lectures/Writings:
  • This article summarizes Arizona's unique adaptation of the Revised Uniform Arbitration Act developed by the National Conference of Commissioners on Uniform State Laws ("NCCUSL"), which Mr. Lassiter worked with the State Bar of Arizona's lobbyists to pass., Author, Arizona's New Revised Uniform Arbitration Act, Arizona Attorney Magazine, ADR, Arbitration, 2010
  • The Martindale-Hubbell® Peer Review Ratings™ are an objective indicator of a lawyer's high ethical standards and professional ability. Attorneys receive a Peer Review Rating based on evaluations by other members of the bar and the judiciary in the United States and Canada., AV Preeminent® Attorney, Martindale-Hubbell Peer Review Ratings , 2010
  • Legal Leaders is a publication of American Lawyer Media ("ALM") at its website, which includes those lawyers that have achieved the prestigious AV Preeminent rating from Martindale Hubbell. See, Arizona's Top Rated Lawyers - ADR, Business & Commercial Law, LEGAL LEADERS, 2012
  • The National Academy of Distinguished Neutrals ("NADN") is a professional association whose membership consists of neutrals (arbitrators and mediators) distinguished by their hands-on experience in the field of civil and commercial conflict resolution, and by their commitment to methods of alternative dispute resolution ("ADR"). Membership is by invitation only and limited to professional mediators and arbitrators who are well established as trusted neutrals amongst the legal community within their states of practice. All academy members have been found to meet stringent practice criteria and are amongst the most in-demand neutrals in their respective states, as nominated by both peers and litigation firms., Member/Arbitrator/Mediator, National Academy of Distinguished Neutrals, 2010
  • The American Arbitration Association ("AAA") is a not-for-profit organization with offices throughout the United States and a long history and experience in the field of alternative dispute resolution ("ADR"). It provides ADR services, including the administration of arbitration and mediation proceedings, to individuals and organizations that wish to resolve disputes out of court. The AAA has a rigorous selection process for its arbitrators and mediators. The International Centre for Dispute Resolution ("ICDR") is the global and international dispute resolution branch of the AAA., Arbitrator, Commercial, Construction & Large and Complex Case Arbitration Panels; Mediator, Mediation Panel, American Arbitration Association/International Centre for Dispute Resolution
  • Ranking Arizona is a peer reviewed service that recognizes attorneys, professionals and companies for their expertise and service in various industries. See, generally,, Best of Arizona Lawyers - Alternative Dispute Resolution (, RANKING ARIZONA, 2012
  • The College of Commercial Arbitrators is comprised of nationally and internationally recognized commercial arbitrators and promotes the highest standards of integrity, professionalism and practice in the field of commercial arbitration. See, Fellow, College of Commercial Arbitrators, College of Commercial Arbitrators, 2016
  • Arizona's Finest Lawyers ("AFL") is a peer-reviewed, invitation only membership organization of Arizona's Finest Lawyers. Nominations come from current members of AFL's Executive and Advisory Boards. Nominations are limited to members of the Arizona Bar, or law faculty, who have demonstrated leadership and professional standards consistent with AFL's criteria and guidelines for membership. See, Sustaining Member, Arizona's Finest Lawyers, Arizona's Finest Lawyers, 2012
  • Top 10 Arizona 2017 Civil Jury Trial Verdict in Commercial Real Estate Fraud Case, 2017
Industry Groups:
  • Business
  • Construction
  • Professional Services
  • Real Estate
  • Technology

Office location for Mark E. Lassiter

60 E. Rio Salado Parkway
9th Floor
Tempe, AZ 85281

Phone: 480-218-4455


6 Years Super Lawyers
  • Super Lawyers: 2017 - 2020, 2022 - 2023

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