Mr. Petrossian, a skilled litigator and investigator, concentrates his practice on commercial and construction litigation.

Prior to joining London Fischer LLP, Mr. Petrossian served as an Assistant District Attorney, where he was personally responsible for the investigation and prosecution of a wide variety of serious offenses.

In addition to his work as a prosecutor, Mr. Petrossian has also overseen complex financial investigations into large companies on behalf of government regulatory agencies.