Executive Staff

Captain Geissenberger began his career with the Pinellas Park Police Department after working for the Florida Department of Corrections and the Pinellas County Sheriff’s Office.   

Throughout Captain Geissenberger's 20+ years of service to this department and our community, he has served in each section of the organization. His previous assignments include; youth services detective, school resource officer, vice & narcotics detective, patrol corporal, professional standards officer, patrol sergeant, records sergeant, special services sergeant, and accreditation manager. In addition, Captain Geissenberger was a field training officer and a traffic homicide investigator. He served for ten years on the Tampa Bay Multi-Agency Gang Task Force. In 2012, Captain Geissenberger was selected to represent our agency as Police Officer of the Year, and that same year was promoted to sergeant.

In 2015, Captain Geissenberger was promoted to lieutenant, where he served as a patrol commander. In addition to his patrol commander duties, Captain Geissenberger had additional responsibilities, including public information officer, high liability instructor, new supervisor training manager, and FTEP coordinator. Captain Geissenberger is an agency instructor in firearms, Taser, defensive tactics, and emergency vehicle operations. Captain Geissenberger has received training as an accreditation manager and is an accreditation commission assessor.

Captain Geissenberger holds two master’s degrees from Troy University; a Masters in Criminal Justice and Masters in Public Administration. Captain Geissenberger is a graduate of the 266th Session of the FBI National Academy and was the president of the Senior Leadership Program, Class #21, at the Florida Department of Law Enforcement. Captain Geissenberger also serves on the board of directors for a national law enforcement charity organization.

Captain Geissenberger serves as the Services Division Commander providing management oversight to the Special Services Section, Communications Section, Records Section, Accreditation, Strategic Planning, Public Information, Training, Youth Services and the School Resource Officer Unit. He also manages the agency budget. 

Captain Adam Geissenberger - Services Division Commander


Captain Turner started his career in law enforcement with the Pinellas County Sheriff’s Office prior to joining the Pinellas Park Police Department. 

Captain Turner was promoted to sergeant in 2014 and to lieutenant in 2019. He was promoted to his current rank in 2023. 

Captain Turner has served in various assignments, including; detective, K9 handler, patrol corporal, patrol sergeant, investigations sergeant, and patrol shift commander. Captain Turner is the SWAT commander and has been on the team for more than 20 years. 

Captain Turner holds a bachelor's degree from St. Leo University and is a graduate of the 282nd Session of the FBI National Academy.

Captain Turner serves as the investigations division commander, where he provides management oversight for the criminal investigations section, Vice & Narcotics, intel, and crime analysis, and is the Internal Affairs Commander.

Captain Marty Turner - Investigations Division Commander


Assistant Chief Unmisig began his law enforcement career with the Delray Beach Police Department in 1996 and joined the Pinellas Park Police Department in 1998. As an officer, Brian served in a variety of assignments both within the Operations Division and Services Division of the agency to include Patrol Officer, Field Training Officer, Traffic Officer, and Professional Standards Officer.  Brian also served as a member of the Crisis Negotiation Team.  In 2004, Brian earned the distinction as the Pinellas Park Police Department’s Police Officer of the Year.

Brian was promoted to Sergeant in 2004, Lieutenant in April 2015, Captain in October 2015, and Assistant Chief in 2022. He has served in supervisory assignments within the Patrol Section, Services Section, Records Section, Special Operations Section, and as a shift commander within the Patrol Section. He currently serves as the Operations Division Commander providing management oversight to the patrol section, special operations, community policing, and community compliance. 

Captain Unmisig holds an Associate of Science Degree in Criminal Justice from St. Petersburg College, a Bachelor of Arts Degree in Criminal Justice from St. Leo University, and a Master of Science Degree in Criminal Justice from the University of Louisville. He is a graduate of the Florida Department of Law Enforcement's Senior Leadership Program, Class #19, and the Southern Police Institute’s 133rd Administrative Officer’s Course.

Assistant Chief Brian Unmisig - Operations Division Commander