About the Author

Mark A. Oller, CTFA

President, Family Wealth, Delaware

Mark is responsible for coordinating the delivery of all Wealth Management services by teams of professionals, including planning, trust, investment management, family office, and private banking services to ultra high-net-worth clients. He focuses on the largest and most complex relationships.

Mark joined Wilmington Trust in 1990 and has specialized in all aspects of corporate development and Wealth Management during his tenure with the firm. He holds an MBA from the University of Delaware and bachelor’s degrees in accounting and finance from Goldey-Beacom College, where he graduated summa cum laude. Mark is also a graduate of the ABA National Graduate Trust School and is a Certified Trust and Fiduciary Advisor.

He currently serves on the advisory board for the University of Delaware Trust Management Minor, the financial advisory council of New Castle County, the executive committee for the Delaware Trust Conference, and the board of directors for Catholic Charities of the Diocese of Wilmington. In addition, he has been on the faculty of the American Bankers Association (ABA) National Trust School since 2005. Mark is a recipient of the Wilmington Trust Chairman’s Club award and a two-time recipient of the President’s Council award.

His past community and professional affiliations include the advisory board for the College of Business and Economics at the University of Delaware, the Wilmington Jaycees, the Delaware Jaycees, Contact Delaware, Prevent Child Abuse Delaware, the ABA Trust School Advisory Board, and the American Red Cross of Delmarva. Mark was a speaker at the 2013 and 2017 Delaware Trust Conferences, and he was the Chair of the 2019 Delaware Trust Conference.


By the Author

The Flexibility of a Sprinkling Trust

Mark A. Oller, CTFA |
Wealth Planning

When considering their estates, some may worry that surviving spouses might remarry and cut off the children. Others may be concerned about a beneficiary’s spending habits or may be uneasy about the possibility that a disgruntled, disinherited relative will cause legal trouble. In order to help meet your current needs and pass as much as possible to your heirs, you need to remain flexible.

Read More...


Don’t Forget these Important Planning Documents

Mark A. Oller, CTFA |
Wealth Planning

Keep control of your own destiny and make things a little easier on those closest to you.Just as important as wills and trusts are your durable power of attorney, medical power of attorney, and living will.These documents should be updated as your life evolves and family circumstances change.Remember these documents are very specific to each state, so it’s  important to consult with an attorney well versed in the laws of your state.

Read More...


Communication is Key in Multigenerational Estate Planning

Mark A. Oller, CTFA |
Wealth Planning
Communication-is-Key-NC.jpg

The first step to estate planning is to take inventory of what you have, while keeping in mind what you expect to have in the future. That includes long-term appreciation of securities, real estate, and other investments you own. It also means determining what you and your spouse can expect to inherit from your parents or other relatives once they pass away.This aspect of estate planning isn’t always as obvious—or as easy to discover.

Read More...