AJ's been in private practice since 2013.
A quote from his own webpage:
His client list reads like a who's who of Hollywood celebrities, NBA stars, billionaire CEOs, and foreign dignitaries.
Alan Jackson is a partner at Werksman Jackson & Quinn LLP and a legal analyst. Call Mr. Jackson at (213) 688-0460 to discuss your criminal matter.
werksmanjackson.com
The "foreign dignitaries" include
members of the Saudi royal family. Considering who his clients are, I imagine he's doing very well for himself.