William A. Ensing

William A. Ensing concentrates his practice in domestic and international asset protection and estate planning. Bill successfully structures and implements sophisticated and comprehensive techniques that help individuals and businesses achieve their wealth preservation and succession goals.

Bill spent several years with the Northern Trust Company, Chicago, leading the Family Business Division of the Trust and Financial Services Department, where he monitored closely held companies and tax driven partnerships owned by trusts and estates.

Once in private practice, Bill continued estate planning and added an international component by forming captive insurance companies in the Cayman Islands and Bermuda for physicians and health care professionals during the mid-1980s. This fully introduced international planning opportunities into his practice and established a foundation for integrating protection of client wealth at an advanced level using structures that included complex international elements.

Bill is a 1980 graduate of Lake Forest College, (BA Economics with Dean’s Honors) and a 1985 graduate of IIT-Chicago Kent College of Law (Dean’s Honors). He is a private pilot, struggling musician, and enjoys fly-fishing across the United States and abroad.


Asset Protection
Estate Planning
Business Law


Illinois – 1985
U.S. District Court Northern District of Illinois – 1985


IIT/Chicago Kent College of Law, Chicago, IL – 1985

Lake Forest College, Lake Forest, IL – B.A. Economics – 1980

Professional Associations and Memberships

  • American Bar Association
  • Illinois Bar Association
  • Lake County Bar Association
  • Northwest Suburban Bar Association
  • North Suburban Bar Association – Board Member 2005 – 2018
  • Chicago Bar Association – Asset Protection Committee Two Time Past Chair and Co-Chair
  • Society of Trust and Estate Practitioners
  • Offshore Institute
  • WealthCounsel

Published Works

  • Using Offshore Trusts for Asset Protection Planning,” Chapter 11, Asset Protection Planning, Illinois Institute for Continuing Legal Education (2022 Edition)
  • “Protecting Your Assets From Predatory Litigation” Will-Grundy County Medical Society
  • “Asset Protection Planning: A Necessary Planning Ingredient” The Counselor-Illinois State Bar Association
  • “Business, Personal Assets Need Protection” The Business Journal
  • “Using A Trust Protector in Asset Protection Planning” Asset Protection Journal, Aspen Law Publishing, Autumn 1999, Volume I, Number 3.
  • “Using A Trust Protector in Asset Protection Planning” Asset Protection Strategies, Planning with Domestic and Offshore Entities, American Bar Association, Section of Real Property, Probate and Trust Law
  • “Who Owns Your Airplane”
  • “Protect Those Assets Now”
  • “Protecting Your Assets After Estate Planning”
  • “What Is Asset Protection?”
  • “Estate Planning in an Asset Protection World
  • Asset Protection Planning: An Important Planning Tool, Illinois State Bar Journal, April 2003.
  • Think Slightly Outside the Box to Protect Your Assets, Silver Cross Hospital, August 2003
  • Using a Trust Protector in Asset Protection Planning, Asst Protection Journal
  • Predatory Litigation Awaits Opportunity, Classic Insurance Company Newsletter June 2004
  • Using Offshore Trusts for Asset Protection Planning, Chapter 11, Illinois Institute for Continuing Legal Education Asset Protection Handbook Fall – 2018