J. Mark "Mark" Poerio

4.5 (10 reviews )

Washington District of Columbia United States

Employee Benefits (ERISA) Law

Recognized Since Recognized in Best Lawyers since 2013

202-969-2800 Website

About J.

J. Mark Poerio is a top attorney recognized by Best Lawyers in the practice area(s) of Employee Benefits (ERISA) Law.J. Mark, who practices law in Washington, District of Columbia, has been recognized since 2013. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which J. Mark is held by other top lawyers in the same geographic and legal practice area.

J. Mark Poerio is a top attorney recognized by Best Lawyers in the practice area(s) of Employee Benefits (ERISA) Law.J. Mark, who practices law in Washington, District of Columbia, has been recognized since 2013. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which J. Mark is held by other top lawyers in the same geographic and legal practice area.

J. Mark Poerio is a top attorney recognized by Best Lawyers in the practice area(s) of Employee Benefits (ERISA) Law.

J. Mark, who practices law in Washington, District of Columbia, has been recognized since 2013. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which J. Mark is held by other top lawyers in the same geographic and legal practice area.

Practice Areas

Employee Benefits (ERISA) Law

Education

Cornell University

Awards & Recognition

Recognized: Employee Benefits (ERISA) Law

Reviews

4.5 / 5

0 Reviews

1,006 Profile Views

Jessica Brown

Jan 07, 2026

Top-Tier ERISA Attorney – Couldn't Be More Satisfied

If you need an ERISA lawyer, look no further than J. Mark Poerio. He is incredibly knowledgeable, dedicated, and truly cares about his clients. He took the time to explain everything in detail, answer...

Robert Wilson

Jan 07, 2026

Strong ERISA Lawyer with Solid Experience

I hired Mr. Poerio to advise me on a change in my employee benefits plan. He was very knowledgeable about ERISA regulations and provided practical, actionable advice. His fee structure was reasonable,...

Emily Rodriguez

Jan 07, 2026

A True Professional – Resolved My Complex ERISA Dispute

Dealing with ERISA legal issues can be incredibly stressful, but J. Mark Poerio made the process so much smoother. He handled my dispute with remarkable skill and compassion. His communication was exc...

David Miller

Jan 07, 2026

Responsive and Knowledgeable Attorney for Benefit Issues

I engaged Mr. Poerio to review my 401(k) plan documents, and he did an outstanding job. He was incredibly responsive to my questions and provided valuable insights. While not every issue was fully res...

Sarah Chen

Jan 07, 2026

Exceptional ERISA Expertise – Highly Recommended!

J. Mark Poerio was fantastic! He expertly navigated a complex ERISA case for me, explaining everything in a clear and understandable way. His attention to detail and strategic thinking were truly impr...