Mario E. Williams


Mario E. Williams was raised in Miami, Florida. He attended the University of Florida, where he studied Economics and received his Bachelor of Science in Business Administration from the Warrington College of Business Administration in 2012. He then moved to Northern Virginia to attend George Mason University School of Law, where he earned his law degree in 2015.

While studying at George Mason University, Mr. Williams worked as a law clerk, practicing all aspects of civil litigation including national security, medical malpractice, business law, and trusts and estates. While clerking at Bronley Law, PLLC, he found an affinity with wills, trusts and estates, and the personable areas of the law, which directed his interest towards practicing family law.

Mr. Williams was admitted to law practice in the Commonwealth of Virginia in 2015 and joined ReeseLaw in 2016. Mr. Williams is a trained mediator, an experienced Collaborative Law attorney, and a litigator. He has significant experience with each process and understands the importance of counseling clients so they can make the best decisions for themselves and their family. While still advocating for his clients, Mr. Williams is specifically mindful of the notion that in the world of family law, there are people on each side – people who often will have to continue a relationship beyond the end of a legal case. To that end, Mr. Williams emphasizes respect, empathy, and does not tolerate the dehumanization that is all too common in the world of family law when assisting clients in reaching resolution.

Mr. Williams has been recognized by Super Lawyers Magazine as a Rising Star (2023-2024), is a member of the Virginia Collaborative Professionals, and is a member of the Collaborative Professionals of Northern Virginia.

For more information, schedule a consultation or call 703.279.5140.



What if you have met with the other party?

Then it is highly unlikely we can meet with you.

What are the client's responsibilities to the attorney?

Primarily they are to cooperate. If information or documents are needed from the client, the client must provide them. You may choose not to follow the advice of counsel, but as long as we are your counsel, we can not support actions or behaviors that impair the case. Deadlines with the court or those dictated by the Rules of the Supreme Court of Virginia, for example, must be met.

What are the attorney's responsibilities to the client?

Primarily to speak for you and look out for your best interests and the best interests of the case. This means that we will communicate with the opposing counsel, any third parties such as guardians ad litem, experts and the court on your behalf. Another key responsibility is to educate the client as noted above.

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