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Law Firm
Empowering you today.

For a brighter tomorrow.


1372 Peachtree Street NE

Atlanta, Georgia 30309

404.500.5430 Direct Email


pioneering a meaningful approach

where mental health
and criminal law intersect

for twenty years

Law Books
Mental Health Attorney Derek Gage

Attorney at Law

S. Derek Johnson-Gage

A graduate of Emory University School of Law in Atlanta, S. Derek Johnson-Gage, Esq. has been practicing law as a criminal defense attorney and legal consultant to clients with mental illness for 20 years and is an adjunct professor at Emory Law School.  Picked as a Georgia SuperLawyers Rising Star and winner of the Advocacy Leadership Award from the National Alliance on Mental Illness for DeKalb County, Mr. Gage has an established reputation for fighting on behalf of his clients, both in the courtroom and out.  Whether it is you, or your loved one, who needs strong supplemental legal prowess, see how Mr. Johnson-Gage's philosophy on mental health in the court system can offer unique assistance you won't find at other firms.

Super Lawyers Rising Stars Georgia
Criminal Defense Top 100 Attorneys
10.0 Avvo Rating
Judges Examining Document

Criminal Defense, Consulting & Support

We offer criminal defense attorney services and supplemental litigation support to trial counsel in criminal cases involving acute mental health issues and cases of complex defenses involving mental illnesses.


Psychiatric Hospitalization Consultation

In cases involving civil commitment to a psychiatric hospital, we offer legal and practical consultation and guidance to both patients and families.

Practice Areas




Our approach to criminal defense for our clients with mental illness and mental health challenges, and their families, is unique in our field. We emphasize their potential, not their perceived disabilities, to achieve success in the courtroom and beyond.


Address: 1372 Peachtree Street NE, Atlanta, GA 30309


Direct:  404.500.5430

FAX:  678.823.7249


Please submit this form for criminal cases ONLY. For cases of non-criminal involuntary psychiatric hospitalization, click HERE.



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