C.W. Post Alumna Named Chief of Nassau County Police Department

Brookville, NY--Karen O'Callaghan, a 1980 graduate of the C.W. Post Campus of Long Island University, has been appointed chief of the Nassau County Police Department.

Chief O’Callaghan is the highest-ranking woman to serve in the 84-year history of the Department. She began her 27-year career in law enforcement as a patrol officer.

Chief O’Callaghan was a student in C.W. Post’s accelerated program, earning a B.A. in Criminal Justice and an M.S. in Criminal Justice. In her new position, she reports to Lawrence Mulvey, the commissioner of Nassau County Police, who also is a graduate of the C.W. Post Criminal Justice program (M.S. 1993).

Chief O’Callaghan, 54, will oversee the chiefs of the department's patrol, detective and support divisions. Her previous assignments include commanding officer of several units: the Homeland Security and Counter Terrorism Bureau, various patrol Precincts, the Police Academy, the Personnel and Accounting Bureau, and the Second Precinct Detective Squad.

Posted: July 28, 2009