Undersheriff DeTrolio has been a member of the sheriff's office for twenty-six years. He holds a master degree in Public Administration. The past eleven years of his career were spent in the administrative unit, where his responsibilities included training, statistical accumulation, personnel management, scheduling, assistance in budget preparation, media relations, internal investigations and special projects.

Undersheriff DeTrolio is currently in charge of the Identification Bureau, the Court Security Division, Complex Security, departmental training and special projects. The Undersheriff also oversees security for all county buildings in the Elizabeth area.