He has tried cases in Civil Court, Landlord-Tenant Court, Criminal Court, Surrogate Court, Family Court, Supreme Court and Federal Court. In addition, Mr. Kreppel has briefed and argued appeals in the Appellate Term, Appellate Division and the Court of Appeals. Mr. Kreppel is a former member of Bronx Community Board 8 and was Chairman of the Housing Committee of CB 8. Prior to entering private practice, Mr. Kreppel was employed by the Federal Government as an attorney in the Real Estate Division of the U.S. Army Corps. of Engineers.