Mark E. Lassiter

Mark E. Lassiter

Attorney Profile

Top Rated Alternative Dispute Resolution Attorney in Tempe, AZ

The Lassiter Law Firm
 | 60 E. Rio Salado Parkway, 9th Floor
Tempe, AZ 85281
Phone: 480-218-4455
Fax: 480-718-8484
Selected to Super Lawyers: 2017 - 2019
Licensed Since: 1995
Practice Areas:
  • Alternative Dispute Resolution (20%),
  • Business Litigation (30%),
  • Real Estate: Business (30%),
  • E-Discovery (10%),
  • Construction Litigation: Business (10%)
Attorney Profile

Mark Lassiter is an attorney, arbitrator and mediator who helps businesses and their owners resolve and prevent disputes, conflicts and litigation in business, real estate, construction and technology matters.

In the area of Alternative Dispute Resolution ("ADR"), he is a Fellow in the prestigious College of Commercial Arbitrators (since 2016) and has been a commercial arbitrator since 1991. He serves on the arbitration panels of the American Arbitration Association (the "AAA"), the International Centre for Dispute Resolution (the "ICDR") and the National Academy of Distinguished Neutrals (the "NADN"). He serves on the AAA's Commercial, Construction and Large and Complex Case Panels, and has been appointed to arbitration tribunals in California, Arizona, New Mexico, Colorado, Texas and Nevada. He is also a mediator on the AAA's mediation panel and was a founding Arizona Mediator/Arbitrator with the NADN. Mr. Lassiter is included among the Best of Arizona Attorneys in the area of Alternative Dispute Resolution ("ADR") in RANKING ARIZONA (2012) and among Arizona's Top Rated Lawyers (2014-2017) in the Areas of ADR, Business and Commercial law in LEGAL LEADERS. Mr. Lassiter is also a sustaining member of Arizona's Finest Lawyers.

As an attorney, Mr. Lassiter is an AV rated lawyer of 32 years' experience as a civil trial attorney in California (currently inactive) and Arizona specializing in business, technology, real estate and construction litigation and ADR (80%) and transactions (20%). He has handled a wide variety of matters, including multimillion dollar litigation and transaction matters involving commercial debt collections; commercial loan defaults; commercial real estate matters; trade secrets, unfair competition and restrictive covenants (e.g., covenants not to compete or solicit); business torts; electronic evidence discovery of electronically stored information; provisional remedies, prejudgment asset seizures (e.g., attachment, replevin, garnishment), receiverships & injunctions; and "business divorce" matters (e.g., disputes among shareholders, partners or LLC members). Mr. Lassiter has also been appointed as a receiver and a special master by the Maricopa County Superior Court.

A popular continuing legal education ("CLE") speaker, Mr. Lassiter has given numerous CLE programs and plenary session presentations in 27 major U.S. cities for numerous bar associations and legal groups, including the American Bar Association, the 7th, 8th and 9th Circuit Judicial Conferences, the National Institute for Trial Advocacy ("NITA"), the State Bars of Arizona, Colorado and New Mexico, and various other county and local bar associations and CLE providers. He is an expert in computer-aided evidence presentation and legal technology matters, is the former Chair of the Technology Committee of the State Bar of Arizona, where he served or serves on its e-Discovery, Cloud Computing & Law Practice Management, and Data Security, Privacy & Cyber-liability Subcommittees.

About Mark Lassiter

Admitted: 1995, Arizona


  • 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
  • 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
  • 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
  • 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
  • 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 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
  • 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

Bar/Professional Activity:

  • Member, e-Discovery and Data Security, Privacy & Cyberliability Subcommittees of the Technology Committee of the State Bar of Arizona, 2016
  • Chair, The Technology Committee of the State Bar of Arizona, 2014
  • Chair, Cloud Computing & Law Practice Management Subcommittee of the Technology Committee of the State Bar of Arizona, 2012
  • Member, Project Management Institute ("PMI"), 2011
  • Member, State Bar of Arizona, 1995
  • Construction Law Section, State Bar of Arizona, 1995
  • Alternative Dispute Resolution Section, State Bar of Arizona, 1995
  • Real Estate Law Section, State Bar of Arizona, 1995
  • Business Law Section, State Bar of Arizona, 1995
  • Member, California State Bar (presently inactive), 1983
  • American Bar Association

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

Educational Background:

  • J.D., Loyola Law School, Los Angeles, 1983
  • B.A., History, University of California, Los Angeles, 1980

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

Mark E. Lassiter:

Last Updated: 11/5/2018

Page Generated: 0.53668689727783 sec