Mark D. Dillon

Of Counsel
  • Location:Phoenix, Arizona
  • Phone:480-967-2688
  • Fax:480-967-2725
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Mark D. Dillon

Mark Dillon provides direct and straightforward advice to assist clients in achieving their goals as simply and efficiently as possible. Through more than 25 years practicing law, he has accumulated a unique blend of general business law, employment law, and real estate law experience, representing businesses in a wide variety of industries, including healthcare, hospitality, service companies, real estate brokerage, property management, and others.

In the employment law area, he handles charges of discrimination, wage and hour issues, FMLA leave, employee handbooks, training, restrictive covenants, employment agreements, separation agreements, and other matters. In business law and real estate, he handles, among other things, general contracts, commercial leases, real estate purchase agreements, agreements for the purchase and sale of businesses, property management agreements, and broker-related agreements.

Areas of Practice

  • Business and Real Estate Law
  • Employment Law

Bar Admissions

  • Arizona, 1992
  • U.S. Federal Courts, 1992
  • New York, 1994
  • U.S. Court of Appeals 9th Circuit, 2006


  • Georgetown University Law Center, Washington, District of Columbia
    • J.D. cum laude – 1992
  • Harvard University, Cambridge, Massachusetts
    • A.B. magna cum laude – 1989

Published Works

  • “Avoiding Discrimination Against Employees with Mental or Emotional Disabilities,”, The Risk Management Letter, 1997
  • But She Quit! (Constructive discharge)
  • “Comp Time – A Dangerous Pay Practice”, M.D. News, Phoenix Metro Valley, May, 2002
  • Dodging a Litigation Bullet
  • Dress Codes: Two Wins for Employers
  • Employment Arbitration Agreements
  • “United States Supreme Court to Decide Whether Employment Laws Apply to Smaller Practice Groups,”, MD News, Phoenix Metro Valley, December, 2002

Professional Associations and Memberships

  • Employment Section, State Bar of Arizona
  • Real Estate Section, State Bar of Arizona

Past Employment Positions

  • Cassidy Turley Arizona, General Counsel, 2007 – 2014
  • Sacks Tierney PA, Attorney Shareholder, 1999 – 2007

Pro Bono Activities

  • Advisory Board of the Guerrant Foundation, a micro-lending charity
  • “Battle of the Sexes” Annual Tennis Charity Fundraiser
Kadish Associates Law Group

Kadish Associates Law Group