Major Mark Alexander, Bureau Director of Investigative Operations since 2015, has provided dedicated service to the Sheriff’s Office for over 27 years. Major Alexander started with PBSO as a Road Patrol Deputy and has subsequently served as Community Policing Deputy, Internal Affairs Sergeant, Watch Commander Road Patrol Operations, Executive Officer in the Special Investigation Division, and Commander of Internal Affairs prior to his current assignment. In addition to his longstanding career with the Sheriff’s Office, Major Alexander also obtained his Master of Science degree in Criminal Justice.

As Bureau Director of Investigative Operations, Major Alexander commands 259 personnel in the following divisions:

• Behavioral Services
• Fugitive Warrants Civil Process
• Narcotics
• Special Investigations