Command Staff

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Chief of Police Mark RenkensChief of Police Mark Renkens

Chief Mark Renkens is a law enforcement professional who began his career with Palm Bay in November 1989. Prior to joining the Palm Bay Police Department, Chief Renkens served in the U.S. Marine Corps for four years.

Chief Renkens has a master's degree in administration of justice and security from the University of Phoenix and is a graduate of the 212th Session of the FBI National Academy. He is also a graduate of the Senior Management Institute of Police and FBI's Executive Development Program.

Chief Renkens has served the agency in a variety of disciplines to include field training officer, honor guard member, SWAT team member, and detective. He was promoted to sergeant in 2000 and served as a patrol supervisor, special operations supervisor, and traffic unit supervisor. In 2007, he was promoted to lieutenant and served as the code enforcement manager and patrol watch commander. In 2010, he was promoted to captain and served as the District 2 commander and support services commander. He was promoted to deputy chief in September of 2013 and is currently the Chief of Police.


Deputy Chief Jim Rogers Deputy Chief James Rogers
Deputy Chief James Rogers began his career with the Palm Bay Police Department in October 1987.He is currently assigned to the Uniform Services Division. During his tenure with the Department, he was a 15 year member of the SWAT team serving five of those years as the SWAT Commander. Deputy Chief Rogers has served in Patrol, Criminal Investigations, Professional Standards, Youth Services, and the Communication Center prior to being promoted to Investigations Commander.

Deputy Chief Rogers is a graduate of the F.B.I. National Academy and Southern Police Institute. He has an Bachelors of Science Degree in Criminal Justice Administration and a Masters Degree in Political Science.

Uniform Services Commander Diana BlackledgeCommander Diana Blackledge

Commander Diana Blackledge joined the Palm Bay Police Department in 1987 working mainly in the patrol division in the K9 Unit. She is internationally recognized for her expertise in police K9 training and deployment. She has served as the Team USA Coach to the Internationale Diensthund Meisterschaft in Augsburg, GE and was chosen to be one of three canine teams to represent the USA at the world police dog competition held at the World’s Fair in 2000 in Hannover, GE. In 2007, then Sergeant Blackledge joined the Department’s Accreditation Management Unit and led the agency through its first successful accreditation assessment through the Commission for Florida Law Enforcement Accreditation (CFA). The process brought the 200-plus member department into compliance with nearly 300 of the strictest law enforcement professional standards in the field. Commander Blackledge was also the department’s first female lieutenant to attend the prestigious FBI National Academy (FBINA). She is one of just under 2000 females from around the world to have successfully completed the training.

Commander  Blackledge earned an associate degree from Brevard Community College and is a graduate of the Florida State University’s Certified Public Manager program. She serves as the area representative of the FBI National Academy Associates. Commander Blackledge currently serves on the Commission for Florida Law Enforcement Accreditation’s Standards Review and Interpretation Committee, is a team leader for accreditation assessments throughout the state, and is one of only twenty state assessors to attain Certified Accreditation Professional status since the program’s inception in 2009.

Commander Blackledge is currently assigned as the Uniformed Services Commander for the entire city of Palm Bay.


Commander of Special Operations Nelson MoyaCommander Nelson Moya

Commander Nelson Moya began his career with the Palm Bay Police Department in 1991 and has served the agency in a variety of disciplines. During his tenure he quickly established himself as a leader and served in multiple leadership functions to include command and leadership roles within the SWAT team, training of new hires in the Field Training Officer program and as a sergeant managing patrol zones, neighborhood policing, and special investigations. Commander Moya has also served as a major case detective, internal affairs investigator, tactical incident commander and lieutenant managing the Major Case Unit, Special Investigations Unit and Support Services.

Commander Moya earned an associate degree from Brevard Community College and a bachelor of science degree in Administration from Barry University, and is a graduate of the Southern Police Institute Command Officer’s Development Course, 36th Session; the Florida Department of Law Enforcement Leadership Academy (Inaugural Session), the FBI’s Florida Executive Development Seminar and the Certified Public Manager program.

Commander Moya is currently assigned to the Special Operations Division, he overseas General Crimes Unit, Special Investigations Unit, and Public Information for the entire city of Palm Bay. 


Commander of Investigations John ReshCommander John Resh

Commander John Resh began his career with the Palm Bay Police Department in 1990. During his tenure he has served in Patrol, Neighborhood Policing, Internal Affairs, Crime Suppression, and a Patrol Watch Commander.

He is currently assigned to oversee the Criminal Investigations Division which includes Special Victims Unit, Major Case Unit, and the Crime Scene Unit.

He is an FDLE State certified firearms instructor, armorer and medical instructor.  Commander Resh has been a member of the department's SWAT Team and has served as a team leader, sniper and as the team’s tactical medic.

Commander Resh holds an Associate of Science degree in Public Affairs as well as a Bachelor of Science degree in Criminal Justice from Indiana University. He is a graduate of the Senior Management Institute for Police and is currently completing post graduate work to become a Certified Public Manager.


Support Services Commander Tim ZanderCommander Tim Zander

Commander Tim Zander is a veteran of the U.S. Army where he served for four years. He began his professional law enforcement career in 2000 when he joined the Palm Bay Police Department as a patrol officer. During his tenure with this agency he served in a variety of capacities including patrol, field training officer program, and special investigations. Commander Zander was promoted to sergeant in 2007 and served as a patrol supervisor, field training officer coordinator and lead the Special Investigations Unit which handled drug and weapon investigations along with targeted and covert high-risk operations often involving career criminals and violent offenders. Commander Zander quickly worked his way up to the rank of lieutenant in 2011 where he began serving as watch commander. His leadership responsibilities expanded to include coordination of security and public safety for special events. He also managed the reserve officer program.

Commander Zander has an associate degree from Jefferson Community College in Watertown, New York; a bachelor's degree in professional administration along with a master's degree in public administration from Barry University. Commander Zander is a graduate of the Florida Leadership Academy, Florida State University's Certified Public Manager program and the Senior Management Institute for Police.

Commander Zander is currently assigned to the Support Services Division. This Division includes Training, Recruiting, Field Training Program, Accreditation, Technical Services, Logistics, Community Services (Domestic Violence Advocates and Volunteer Program), and Crossing Guards.