Terrence B. Sheridan was appointed Superintendent of the Maryland State Police by Governor Martin O’Malley on June 6, 2007. He commands a department of state government comprised of 2,500 sworn and civilian employees involved in statewide law enforcement duties within the Maryland State Police, the Office of the State Fire Marshal, and the Vehicle Theft Prevention Council.

Prior to his appointment as Superintendent, Colonel Sheridan had served as Chief of Police in Baltimore County since April 8, 1996. He commanded more than 2,400 members of one of the most progressive and professional police departments in the nation. During his tenure with the Baltimore County Police Department, Colonel Sheridan enhanced criminal enforcement efforts, increased community policing, invested in advanced technology and reduced overall crime.

Before joining the Baltimore County Police, Colonel Sheridan served with the Maryland State Police for 30 years before his retirement with the rank of Lieutenant Colonel. His assignments included patrol, criminal investigation and internal affairs. In 1990, he was promoted to Major and took command of the Drug Enforcement Division. Two years later, he became Assistant Chief of the Special Operations Bureau and in 1994 became Chief of the Bureau of Drug Enforcement.

In 1995, Colonel Sheridan retired from the State Police to become Executive Assistant for Student Safety in the Baltimore County public school system. He served there until his appointment as police chief.

Colonel Sheridan holds a Bachelor of Arts degree in Sociology from Loyola College. He is also a graduate of the FBI National Executive Institute and the FBI National Academy. Colonel Sheridan served his state and nation for six years as a member of the Maryland Army National Guard.

Colonel Sheridan serves on a number of regional and national boards and committees, including the Board of Directors of the Harvard Associates in Police Science and the Mid-Atlantic Regional Community Policing Institute Advisory Board. He is also a member of the Major Cities' Chiefs; International Association of Chiefs of Police; the Police Executive Research Forum; and the Maryland Chiefs of Police Association.

In recognition of his accomplishments in law enforcement and his involvement in professional and community activities, Colonel Sheridan has been honored with numerous awards and citations.