Mr. Kostelidis is an Associate in the California office of Silverman Theologou. Mr. Kostelidis advises credit union clients on a wide range of matters. His work focuses on the negotiation, litigation, and resolution of commercial and consumer debt disputes. Mr. Kostelidis is admitted to practice law in California.

Prior to joining Silverman Theologou, Mr. Kostelidis worked as a law clerk at law firm Heuking Kuhn Luer Woytek and at Buse Attorneys in Dusseldorf, Germany. Mr. Kostelidis gained work experience at Fenwick Elliott LLP in London, United Kingdom, and at the Superior Court Dortmund in Germany with Judge Roricht.

While pursuing his Master of Laws at the University of Southern California (USC) Gould School of Law in Los Angeles, Mr. Kostelidis worked as a Teaching Assistant for Professor Donald M. Scotten and remotely as Teaching Assistant for the University of Munster correcting practice bar exams in German Civil Law. Mr. Kostelidis received his juris doctor equivalent at the University of Munster in Germany. Mr. Kostelidis speaks English, German, and Greek.