Atty. Dion Austin Sullivan

Atty. Dion Austin Sullivan

Mr. Dion Austin Sullivan is a lawyer practicing employment law.

Washington Washington 36 yrs experience 36 year
Call (202) 792-8461 Book Appointment

Profile Summary

About Dion Austin Sullivan at a glance

Dion Austin Sullivan is a employment attorney based in Washington, District of Columbia. They have 36+ years of legal experience, licensed to practice since 1990. Admitted to practice in New York (1990), District of Columbia (1996), and Maryland (2000). Educated at American University (J.D. Georgetown, 1989) and Clark University (B.A., 1984). Serands clients in Washington, DC and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • Mr. Dion Austin Sullivan is a lawyer practicing employment law
  • Dion received a B.A. degree from Clark University in 1984, and has been licensed for 36 years
  • Dion practices in Washington, DC

Practice Areas Explained

Dion Austin Sullivan's Areas of Practice

Each practice area below reflects the types of cases Dion Austin Sullivan handles, with a brief overview of what that area of law covers.

Employment Law

Employment lawyers represent workers in wrongful termination, discrimination, harassment, wage & hour disputes, and severance negotiations.

Dion Austin Sullivan is one of 169,120 employment attorneys indexed nationally. Browse employment attorneys in District of Columbia →

Jurisdictional Context

Why local counsel matters in District of Columbia

Practicing law in District of Columbia. Legal matters in District of Columbia are governed by state-specific rules of civil and criminal procedure, statutes of limitations, and substantive law. Cases originating in Washington are typically filed in the local municipal court or the appropriate District of Columbia state district court, depending on subject matter and amount in controversy. An attorney licensed in District of Columbia brings working knowledge of local procedural deadlines, judicial practices in this andnue, and the substantive law that applies to cases brought here. Out-of-state attorneys generally cannot represent clients in District of Columbia courts without local counsel or pro hac vice admission.

Looking for additional District of Columbia attorneys? Browse all attorneys in Washington or all attorneys in District of Columbia.

Frequently Asked

Common questions about Dion Austin Sullivan

Where is Dion Austin Sullivan's law office located?
Dion Austin Sullivan's law practice is located in Washington, District of Columbia. You can contact the office directly through this profile page.
What practice areas does Dion Austin Sullivan handle?
Dion Austin Sullivan focuses on employment. Each practice area listed reflects experience handling cases of that type in District of Columbia.
How long has Dion Austin Sullivan practiced law?
Dion Austin Sullivan has 36+ years of legal experience and has been licensed since 1990.
Where did Dion Austin Sullivan go to law school?
Dion Austin Sullivan earned their education at (J.D. Georgetown, 1989); (B.A., 1984).
How can I contact Dion Austin Sullivan for a consultation?
You can contact Dion Austin Sullivan directly through this profile page. Click "Ask the Attorney" to submit a question, or "Schedule a Consultation" to book a meeting. Most claimed-profile attorneys respond within one business day.

Practice Areas

Education

J.D. Georgetown
American University
- 1989
B.A.
Clark University
- 1984

Bar Admissions

New York
Admitted: 1990
District of Columbia
Admitted: 1996
Maryland
Admitted: 2000

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