Academy Member Inducted 2011

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Mark E. Lassiter, Mediator & Arbitrator, Tempe, Arizona.

Mark E. Lassiter

The Lassiter Law Firm
60 E. Rio Salado Parkway
9th Floor
Tempe, AZ 85281
Tel: (480) 218-4455
Cell: (602) 692-3050
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Recognized to Arizona Chapter for Mediation & Arbitration

Regularly travels out of state to: California, Colorado, Nevada, Texas

Other ADR Services: ADR Training/CME, Court-Appointed Neutral (Special Master), Discovery Referee, Early Neutral Evaluation, Facilitation & Systems Design, Fact Finding, Med-Arb, Mini-Trial Judge
Video Conferencing
  • Practice Commenced1992
  • # of MEDS (as of 17/7/24) 
  • # of ARBS (as of 17/7/24) 
Current Practice
Online / In-Person


Mr. Lassiter became an arbitrator for the American Arbitration Association (the AAA) in 1991, and serves as a member of its Commercial, Construction Industry and Large and Complex Case Panels. He is also a Fellow in  the College of Commercial Arbitrators, and serves on the panel of the International Centre for Dispute Resolution (the ICDR). Mr. Lassiter has extensive experience in arbitrations administered by the AAA and the ICDR as both an arbitrator and counsel for various parties, including arbitrator appointments in AAA matters in California, Arizona, Colorado, New Mexico, Texas and Nevada in dozens of disputes relating to a wide variety of dispute types, including Construction litigation, Business & Employment cases, Technology and e-Commerce, Real Estate, Commercial Leases and many other matters. He also serves as a Mediator for the AAA on similar matters.

Case Experience

  • Banking & Finance
  • Bankruptcy/Creditors
  • Business Dissolution
  • Commercial/Business
  • Community Associations
  • Condominiums
  • Construction
  • Contract Disputes
  • Debt Collections
  • Employment
  • Family Businesses
  • Franchise
  • Insurance
  • Internet
  • Landlord/Tenant
  • Legal Malpractice
  • Libel & Slander
  • Mergers & Acquisitions
  • Mortgage Foreclosure
  • Non-profit Organizations
  • Partnerships
  • Premises Liability
  • Professional Fees
  • Professional Liability
  • Professional Malpractice
  • Professional Negligence
  • Real Estate
  • Religious Institutions
  • Shareholder Disputes
  • Software
  • Technology
  • Title Disputes
  • Unfair Competition


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


AAA Arbitrator Continuing Education (ACE) programs, including AAA-Principled Deliberations & Decision Making Skills for Arbitrators (ACE008), 2015; AAA-Chairing an Arbitration Panel: Managing Procedures, Process & Dynamics (ACE005), 2015; AAA-Managing the Arbitration Process for Efficiency & Economy Following the Preliminary Hearing (ACE007), 2013; AAA-Maximizing Efficiency & Economy in Arbitration: Challenges at the Preliminary Hearing (ACE006), 2013; Program Faculty, AAA/ICDR Neutrals Conference, 2012; AAA Webinar, Arbitrator Boundaries: What are the Limits of Arbitrator Authority?, 2011; AAA-Faculty, AAA Dealing with Delay Tactics in Arbitration (ACE004), 2010; AAA-Expectations of Parties: Best Practices in Construction Arbitration, 2009; AAA-Large, Complex Construction Mediation: The Dynamics of the Negotiation Team, 2009; ACE002 Managing Cases with Self-Represented Parties, Miami, 3/06; Motions to Vacate: What They Tell Us About Arbitration Awards, Miami, 3/06; Discovery & Evidence in Arbitration, Miami, 3/06; Impasse Strategies for Complex Mediation, Miami, 3/06; AAA's Basic (i.e., 40 Hour) Mediation Training, Phoenix, 10/05; Peacemaker Ministries' Certification (Arbitration) Practicum and its Reconciler (Conflict Coaching) Training Program, Dallas, 9/05; AAA's Arbitrator Update 2005, Palm Springs, 3/05; AAA's Innovations in Presenting Evidence in Construction Arbitration, Palm Springs, 3/05; AAA's Best Practices for Arbitrating Large and Complex Cases, Palm Springs, 3/05; AAA's Topical Issues in Construction Arbitration, Palm Springs, 3/05; Facilitator, AAA ACE004 program Dealing with Delay Tactics, Phoenix, 2/05; AAA's Arbitrator Update 2004, San Antonio, 3/04; ACE003 - Arbitrator Ethics and Disclosure, San Antonio, 3/04; AAA's ACE001 - Arbitration Awards: Safeguarding, Deciding & Writing Awards, Scottsdale, 1/03; AAA's Arbitrator Update 2003, Scottsdale, 1/03; AAA's Practical Aspects of Mediating Multi-Party Disputes, Scottsdale, 1/03; AAA s Working with the AAA's Case Management Center Staff, Scottsdale, 1/03; Peacemaker Ministries' Reconciler (Mediation) Training Program, Scottsdale, 10/02; AAA's Commercial/Construction Arbitrator II Training on Advanced Case Management Issues, Phoenix, 11/01; AAA's e-Commerce Group Supplementary Training for Online Procedures, Los Angeles, 7/01; AAA's Effective Construction Conflict Management Member Training, Phoenix, 3/00; AAA's Commercial Arbitrator Training, Orlando, 10/98; AAA Construction Arbitrator Training, Orlando, 10/98; State Bar of Arizona, Becoming a Skillful Arbitrator, Phoenix, 12/96; Pepperdine Institute for Dispute Resolution/California Continuing Education of the Bar, Resolving Commercial Disputes Without Trial, Los Angeles, 9/92; AAA Basic and Advanced Arbitrator Training, Los Angeles, 4/92; California Continuing Education of the Bar, Contractual Arbitration, Los Angeles, 3/92; AAA Hearing Chair Training, Los Angeles, 3/92.

Memberships & Affiliations

  • Fellow, College of Commercial Arbitrators
  • Mediator & Arbitrator, American Arbitration Association; Commercial, Construction & Large and Complex Case Panels; 1991-Present
  • State Bar of Arizona, ADR Law Section (Executive Committee, 2007-2009; Member [former Co-Chair], Legislative Affairs Subcommittee; Chair, Continuing Legal Education Subcommittee)
  • State Bar of Arizona, Business Law Section
  • State Bar of Arizona, Construction Law Section
  • State Bar of Arizona, Real Estate Law Section
  • Member, e-Courtroom Committee of the Maricopa County Superior Court, 2000-2001
  • Former Chair (2015-16)/Member, State Bar of Arizona, Technology Committee;  Co-Chair, eDiscovery Subcommittee; Member, Cloud Computing & Law Practice Management Subcommitee
  • State Bar of Arizona, 1995-Present
  • State Bar of California, 1983-Present

Rates Information

$500.00 per hour. Hourly rate applies to preliminary hearings, conference calls, and correspondence with counsel and/or other case administrative staff, reading time & writing awards. For disputes where the amount in controversy is less than $100,000 exclusive of interest, costs and attorneys' fees I am willing to work for a negotiable flat fee that is proportional to the amount in controversy. I am willing to serve throughout the U.S. Will bill for out-of-pocket expenses, but WILL NOT BILL FOR TRAVEL TIME. Cancellation/postponement policy: If any hearing dates are cancelled or continued for any reason, and written notice of same is not received at least 10 business days before the first hearing date, then 4 hours will be billed for each cancelled hearing day.

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