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The Law Office of Mark J. Keller
Social Security Disability ♦ Personal Injury
Guardianship ♦ Wills, Trusts, & Estates
At the Law Office of Mark J. Keller, we fight for the rights of New Yorkers facing life-changing challenges. If a medical or psychiatric condition is preventing you from working, or if you've suffered severe injuries due to someone else’s negligence, you need strong legal representation. Mark Keller provides aggressive advocacy to secure the benefits and compensation you deserve—so you can focus on your health, your recovery, and your future.
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Let’s discuss your case today—there’s no risk, just answers.
Call now for a FREE consultation.
Practice Areas
Social Security Disability
If a physical or mental illness is keeping you from working, you may be eligible for Social Security Disability (SSD) or Supplemental Security Income (SSI) benefits. We’re here to guide you through the process, fight for your rights, and help you secure the financial support you need.
Guardianship
We help families establish guardianships to ensure that children and disabled adults receive the care, protection, and financial support they need—no matter what the future holds. Whether you're planning ahead or facing an urgent situation, we’ll guide you through the legal process with compassion and expertise.
Wills, Trusts, & Estates
No matter your age or financial situation, it’s never too early to plan for the future. A Last Will and Testament ensures that your assets are distributed according to your wishes—giving you control, protecting your loved ones, and preventing legal complications down the road.
Reviews
About Mark J. Keller
With over 30 years of legal experience, Mark J. Keller is a dedicated advocate for individuals facing legal and financial hardships. Whether you’re fighting for Social Security Disability benefits, seeking compensation for a personal injury, or securing a guardianship or estate plan, Mr. Keller provides the strategic representation you need to protect your rights and your future.
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He is admitted to practice law in New York State, the United States District Courts for the Southern, Eastern, and Western Districts of New York, and the United States Supreme Court—giving him the ability to handle cases at both state and federal levels.
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Mr. Keller earned his Juris Doctor from St. John’s University School of Law in 1992, building upon his strong financial foundation with a Bachelor of Science in Business Administration & Finance from SUNY Fredonia (1980) and an MBA from the University at Buffalo (1984). His business and financial background provide a unique advantage in cases involving disability benefits, personal injury settlements, and estate planning.
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As an active member of the Queens County Bar Association, the National Organization of Social Security Claimants’ Representatives (NOSSCR), and The Brandeis Association (a Bar Association for Jewish Legal Professionals), Mr. Keller is committed to staying ahead of legal developments and fighting for the best outcomes for his clients.
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When you need a compassionate, results-driven attorney, Mark J. Keller is ready to stand by your side.
