Mark C. Doyle, Partner

Mark C. Doyle, a TLD Law, LLP partner since 1988, has been recognized as a “Super Lawyer” and rated “AV Preeminent” by his peers. AV Preeminent is the highest rating issued by Lexis Nexis | Martindale-Hubbell and is reserved for no more than 5% of attorneys nationwide.

Having earned a Masters in Law with High Distinction from Loyola Law School, Mr. Doyle advises his valued individual, professional, and corporate clients on a full range of estate, business, and tax planning matters.

Mr. Doyle’s expertise includes creating both revocable and irrevocable trusts, family limited partnerships, and limited liability companies (LLCs) to assist clients in establishing businesses, minimizing taxes, and developing succession plans.

Recent transactions include:

  • Forming an Intentionally Defective Grantor Trust (IGDT) and structuring the sale of a substantial stake in a closely held company preparing to go public
  • Assisting a large group of physicians in forming a joint venture with a regional hospital and management company to establish an outpatient surgery center
  • Creating a family limited partnership for a client holding commercial properties to provide asset protection, enabling gifting and succession planning
  • Negotiating a loan workout for a regional bank

Representative clients include high net worth individuals, professionals, closely held and public companies, fiduciaries, and financial institutions. Mr. Doyle is part of a select network of pre-qualified attorneys providing legal advice to advisors and clients of UBS Financial Services throughout the United States.

Mr. Doyle Doyle earned his Bachelor of Arts, cum laude from Loyola Marymount University in 1980, J.D. in 1983, and Masters in Law in Taxation with High Distinction in 2005 from Loyola Law School.


  • Martindale-Hubbell AV Preeminent Rating
  • Southern California SuperLawyers, 2016-2019
  • Registered Trust and Estate Practitioner


  • Advisory Board Member, Pacific Western Bank
  • Board Member, Bonita Canyon Homeowners Association
  • Instructor, UCI Division of Continuing Education
  • Member, Mater Dei Quarterback Club


  • Loyola Law School, Los Angeles (LLM Taxation, 2005, High Distinction)
  • Loyola Law School, Los Angeles (J.D., 1983, Dean’s List)
  • Loyola Marymount University (B.A., 1980, cum laude)


  • California, 1983
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