Chief Deputy William E. Sheehan was appointed Chief Deputy by Sheriff Troy J. Morton in 2015.  The Chief Deputy is the second in command of the entire agency and is directly responsible for the oversight of the law enforcement and civil divisions.  After graduating from the University of Maine with a degree in Legal Technology, William began his career at the Sheriff’s Office in 1994 when he was employed in the Corrections Division.  In 1998, William was hired as a full-time Law Enforcement Officer with the Orono Police Department.  In 2003 his career path brought him back to the Penobscot Sheriff’s Office where he was employed as a rural Patrol Deputy.  In 2007, William was promoted to the rank of Patrol Supervisor, one of three Patrol Supervisors. 


Chief Deputy William Sheehan attended the 89th Municipal County Basic Police School in 1999.  While at the Orono Police Department he was assigned as a School Resource Officer with the Orono School Department.  While at the Sheriff’s Office, William joined the Special Response Team (SRT) and is now a Team Leader.  William served as a Cadre with the 12th Basic Law Enforcement Training Program in 2007 at the Maine Criminal Justice Academy.