Atty. William Sander Callahan

Atty. William Sander Callahan

Mr. William Sander Callahan is a lawyer practicing criminal defense, appeals, criminal antitrust and 1 other area of law.

Atlanta Atlanta 38 yrs experience 38 year
Call (470) 694-5487 Book Appointment

Profile Summary

About William Sander Callahan at a glance

William Sander Callahan is a Member based in Atlanta, Georgia, practicing at Callahan Law PC. They have 38+ years of legal experience, licensed to practice since 1988. Their practice focuses on criminal defense, military, and appellate. Admitted to practice in Illinois (1988), U.S. District Court, Northern District of Illinois (1988), Georgia (1993), and New York (1993). Educated at Northwestern University (J.D., 1988) and Northwestern University (B.A., 1985). Active member of Chicago, Illinois State and American Bar Associations. Serands clients in Atlanta, GA and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • Mr. William Sander Callahan is a lawyer practicing criminal defense, appeals, criminal antitrust and 1 other area of law
  • William received a B.A. degree from Northwestern University in 1985, and has been licensed for 38 years
  • William practices at Callahan Law PC in Atlanta, GA

Practice Areas Explained

William Sander Callahan's Areas of Practice

Each practice area below reflects the types of cases William Sander Callahan handles, with a brief overview of what that area of law covers.

Criminal Defense

A criminal defense attorney protects your rights from arrest through trial. Find experienced lawyers handling DUI, drug, federal, theft, and violent-crime charges.

William Sander Callahan is one of 214,270 criminal defense attorneys indexed nationally. Browse criminal defense attorneys in Georgia →

Military Law

Military attorneys for court-martial, discharge upgrades, veterans benefits, and military family matters.

William Sander Callahan is one of 8,613 military attorneys indexed nationally. Browse military attorneys in Georgia →

Appellate Practice

Appellate attorneys for civil and criminal appeals at state and federal court.

William Sander Callahan is one of 86,319 appellate attorneys indexed nationally. Browse appellate attorneys in Georgia →

Jurisdictional Context

Why local counsel matters in Georgia

Practicing law in Georgia. Legal matters in Georgia are governed by state-specific rules of civil and criminal procedure, statutes of limitations, and substantive law. Cases originating in Atlanta are typically filed in the local municipal court or the appropriate Georgia state district court, depending on subject matter and amount in controversy. An attorney licensed in Georgia 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 Georgia courts without local counsel or pro hac vice admission.

Looking for additional Georgia attorneys? Browse all attorneys in Atlanta or all attorneys in Georgia.

Frequently Asked

Common questions about William Sander Callahan

Where is William Sander Callahan's law office located?
William Sander Callahan's law practice is located in Atlanta, Georgia. The firm is Callahan Law PC. You can contact the office directly through this profile page.
What practice areas does William Sander Callahan handle?
William Sander Callahan focuses on criminal defense, military, appellate. Each practice area listed reflects experience handling cases of that type in Georgia.
How long has William Sander Callahan practiced law?
William Sander Callahan has 38+ years of legal experience and has been licensed since 1988.
Where did William Sander Callahan go to law school?
William Sander Callahan earned their education at (J.D., 1988); (B.A., 1985).
How can I contact William Sander Callahan for a consultation?
You can contact William Sander Callahan 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.

Education

J.D.
Northwestern University
- 1988
B.A.
Northwestern University
- 1985

Bar Admissions

Illinois
Admitted: 1988
U.S. District Court, Northern District of Illinois
Admitted: 1988
Georgia
Admitted: 1993
New York
Admitted: 1993
Pennsylvania
Admitted: 1993

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