John Allen Decker Place Category: Business Lawyer Profile ReviewsJohn Allen Decker completed law school at University of Tennessee and has been practicing law since 8/21/2008. John Allen Decker is located in Atlanta, GA Leave a Review Cancel reply Your email address will not be published.Review text Overall: Select a rating Rating: Select a rating Name Email Website Save my name, email, and website in this browser for the next time I comment. * Previous Next