Mr. Van Gaalen has practiced criminal law since 1992. His practice focuses primarily on community criminal law, particularly life and property crimes, major drug investigations and organized crime. He also practices Penitentiary law.

He is a member of the NVSA (Dutch Association of Criminal Lawyers).

Mr. Van Gaalen has registered the following main specializations in the Register of Jurisdictions of the Netherlands Bar Association:

• Criminal Law

Pursuant to this registration, he is required to obtain ten training points in each registered principal area of law each calendar year according to the standards of the Dutch Bar Association.