John O. Brentin is Board Certified in Estate Planning and Probate Law by the Texas Board of Legal Specialization and is A.V. rated by Martindale-Hubbell, the highest rating available from the oldest and most respected legal directory. He has also held an additional board certification in Business Bankruptcy Law. He is a frequent lecturer in the areas of Estate Planning and Probate, Business Planning, and Asset Protection and is the author of Basic Estate Planning in Texas.

He received his juris doctor degree from the University of Houston Bates School of Law in 1978 where he served as the founding Editor-in-Chief of the Houston Journal of International Law. He received his B.A., cum laude, from The Ohio State University in 1974.

Professional affiliations include the State Bar of Texas (sections on Real Estate, Probate and Trust Law, Tax Law and Business Law), Houston Bar Association, American Bar Association, Houston Estate & Financial Forum, Texas Academy of Probate and Trust Lawyers, Houston Business and Estate Planning Council, College of the State Bar of Texas and the Planned Giving Council of Houston.

John is a Past-President and active member of The Rotary Club of Houston, a Rotary Paul Harris Fellow, Troop 55 Assistant Scoutmaster and Pack 505 Past Cubmaster with The Boy Scouts of America. His interests include cycling and running marathons. He serves as a coach for the Houston Fit marathon-training group. He and his wife, Vicki, have been married for almost 25 years. They have 3 sons.