Advance Controls International Inc.


ACI - Instructors

John Cook


John recently retired as a Lieutenant with the Polk County Sheriff's Office in Central Florida where he worked since 1984. His previous assignments include Task Force Agent for the Tampa, Florida Office of the Drug Enforcement Administration (DEA), Member of the FBI Violent Crimes Task Force,  and Commander of the Narcotics Investigations Section of his own agency. He was the Tactical Commander for his agency's Emergency Operations Group and has been involved with S.W.A.T. since 1987. John is a certified instructor in firearms, explosives, rappelling, chemical weapons, narcotics investigation and enforcement, and other areas relating to tactics and officer survival. He is a certified firearms instructor through the State of Florida as well as the FBI. In addition he is a Florida Class "K" instructor which is a designation required for certifying armed security personnel.  

John has proudly served  as a tactical and breaching instructor for Tactical Energetic Entry Systems (T.E.E.S.) since 2002 teaching explosive breaching relating to SWAT operations as well as VIP Protection and Hostage Rescue courses. 

Shortly after September 11, 2001 John was called upon to instruct in the area of firearms training for the Federal Air Marshall program and he is presently an instructor for the United States Department of State Anti-terrorism Assistance Program (DOS/ATAP.) John has conducted training all over the U.S. as well as numerous locations in Africa, Asia, and the Middle East.

 Mike (Hollywood) Robertson, US Air Force, Courthouse Duty, Property Crimes, Narcotics, Fraud, SWAT
Mike (Hollywood) Robertson

Mike is originally from San Diego California and a graduate of Poway Senior High School.  He attended San Marcus University and enlisted in the United States Air Force in 1982.  In 1987 Mike attended the police academy in San Bernardino County.  He worked in the high desert areas of the county until leaving California and joining Florida Law Enforcement in 1990.  Mike has worked in Community Policing as well as Fugitive Warrants, Courthouse Duty, Property Crimes, Narcotics, and Fraud.  He was a member of SWAT from 1992 until 2012. He is a firearms and defensive tactics instructor.
A.W. Marvin, Sergeant Polk County Sheriff’s Office, COPS, PROCAP/CST Units, U.S. Army’s Reserve SRT Unit, 317th MP Battalion

A.W. Marvin


Marvin is a Law Enforcement Supervisor (Lieutenant) in Central Florida where he has been serving since 1999. He has also been a Member of the SWAT Team since 2001. His previous assignments have included COPS, PROCAP/CST Units (as a deputy and Supervisor), Warrants Detective, and assignment to the United States Marshal’s Service, Florida Regional Fugitive Task Force (Tampa, FL) as a Special Deputy U.S. Marshal. He is the current SWAT Team Commander for the Polk Co. Sheriff’s Office. Marvin is a certified firearms, rappelling, less lethal, shotgun breaching Instructor and other areas of tactical instruction. Marvin has been the lead instructor for several SWAT Schools, for instructing the U.S. Army’s Reserve SRT Unit (317th MP Battalion), and for training the U.S. Marshal’s Regional Fugitive Task Force Members in tactical operation.

Martin Friar, SWAT, Polk County Sheriff’s Office
Martin Friar

Martin worked for 15 years in Law Enforcement, 11 of which he was a member and team leader on SWAT.  He is a Firearms Instructor, Shotgun, Master Rifle and Select Fire Instructor.  
Mike Hughes, Sergeant Polk County Sheriff's Office, Range Master, US Army, NRA, Kenneth C. Thompson Institute for Public Safety
Mike Hughes

Mike recently retired as a sergeant with a Florida Law Enforcement agency where he was the Range Master, and worked there for 24 years.  He is a graduate of the United States Army's Officer Candidate School and was an officer with the Florida National Guard for 23 years.  Mike is a certified rifle instructor through the US Army as well as the National Rifle Association.  In addition he is certified by the State of Florida as a firearms instructor and was the lead high liability instructor for the Kenneth C. Thompson Institute for Public Safety.  Mike is an armorer for many weapons systems and has Bachelors and Masters Degrees in Criminal Justice Administration.

Chris Colson, SWAT, Lieutenant Polk County Sheriff's Office
Chris Colson

Chris is a Major with the Polk County Sheriff's Office and has been there since 2000. He has been on the SWAT team since 2003 and has supervised the homicide unit as well as general crimes.  Chris has trained basic police recruits for many years at the police academy as well as training seasoned officers at the local, state, and federal levels.  Chris has a masters degree in Public Administration and is a graduate of the Florida State University's Certified Public Manger program.

Paul Butler

Paul is a member of  a Florida Sheriff’s Office  where he has been a deputy since January of 2000. He’s been a detective for the past seven years, and worked in the Special Victim’s Unit before taking his current assignment as a member of the US Marshals Florida Regional Fugitive Task Force. As a member of the task force, he coordinates and is the lead instructor conducting tactical training for local, state, and federal agencies. Paul has been a member of the Sheriff’s Office SWAT Team for the past ten years, and currently serves as one of the team’s squad leaders, as well as the lead breacher. As the lead breacher, he has participated in multiple operational explosive breaches, and coordinates the breachers’ monthly specialty training.

Paul is certified as a firearms instructor including pistol, shotgun, rifle, and master rifle. He also instructs for his team in the areas of basic and advanced entries/tactics, vehicle/vessel assaults, chemical agent, less lethal, FSDD, ballistic/mechanical breaching, and is a rappelmaster. He holds instructor certifications with the State of Florida, National Tactical Officer’s Association, Florida SWAT Association, and is a Master Firearms instructor through the International Association of Law Enforcement Firearms Instructors.

Rick Holland, Captain Polk County Sheriff’s Office, Deputy Chief of Police at Florida Polytechnic University Police Department

Rick Holland


Rick Holland is a twenty-seven year career law enforcement officer. He started his career at the Winter Haven Police Department in 1986 before joining the Polk County Sheriff’s Office in 1988. Richard served on the Polk County Sheriff’s Office Special Weapons and Tactics Team for 21 years.  During his tenure on the Special Weapons and Tactics Team, he has served as a Grenadier, Entry Team Member, Entry Team Leader, Assistant Team Commander, and the Emergency Operations Group Commander.   He oversaw all components of Emergency Operations, which includes the Special Weapons and Tactics Teams (Red and Blue Teams) Crises Negotiations, Mounted Enforcement, Tactical Medics, Tactical Hazmat, and Mobile Field Force.

Rick retired May 23, 2014 from the Polk County Sheriff’s Office as a Captain, Southeast Command after serving 26 years.  Rick was then hired as the Deputy Chief of Police at Florida Polytechnic University Police Department and began his new career on June 3, 2014.  Rick was recently promoted to Chief of Police for Florida Polytechnic University police Department after the retirement of the last person to hold that position.

Rick is an adjunct academy instructor at Polk Community College since 1990; he was one of the lead instructors at the Polk County Sheriff’s Office in high risk areas.  He developed the first Polk County Sheriff’s Office Basic SWAT and Advanced Hostage Rescue Courses in 2000 which initially was taught in-house to new SWAT members, but now is taught throughout Central Florida.  Rick has trained numerous police agencies in Central Florida to include the Army’s 317th Battalion Military Police stationed at MacDill Air Force Base in Tampa Florida.  The 317th Battalion made United States history by forming the first Special Reaction Team; their first schools were Basic SWAT and Advanced Hostage Rescue, instructed by Rick and other highly decorated instructors. 

In his career, Rick has been involved in numerous barricade and hostage rescues, two in which were manhunts of suspects that murdered law enforcement officers.  The first manhunt was for Walter Steven Norris who killed Officer Johnnie Patterson, a Winter Haven Police Officer.  Rick was the team leader who captured Norris during a hostage rescue situation that ended after gunfire towards his team and himself.  The second manhunt was for Angilo Freeland who killed Deputy Matt Williams and his K-9 DiOGi on September 28, 2006.  Rick was in charge and commanded the largest manhunt in Central Florida during this 18-hour event, which included over 1000 officers and 300 tactical officers from twelve different agencies.  At the conclusion of this event, Freeland attempted to kill more officers and was killed during the volley of gunfire.

Tyrees Graham


Tyrees Graham is a Law enforcement Sergeant with the Polk County Sheriff’s Office, Polk County Florida and is currently assigned to the North West District Patrol Section. Prior to his law enforcement career, he enlisted in the United States Army and served as an Armored Reconnaissance Specialist until the end of his term of enlistment. Tyrees has been employed with the Polk County Sheriff’s Office for sixteen years. He has spent three years as a Special Victim’s Unit Detective in Major Crimes. He has been a member of the Polk County Sheriff’s Office SWAT team for over eleven years and has held a position of leadership on the team for nine of those years. He is one of the SWAT team’s lead Explosive breachers. Tyrees is also an instructor in Defensive Tactics, Firearms, Police Rifle, Low Light Engagement, Select Fire Weapons and General Law Enforcement topics.Tyrees holds a Bachelor’s degree in Criminal Justice and is currently pursuing a Master’s degree in Intelligence Management, specializing in Terrorism and Counter Terrorism studies.

Click here to edit text

Desirey Wright

Desirey Wright is a law enforcement officer in Central, Florida, where she has served since 2006. She has a Masters Degree in Criminal Justice and is a graduate of the Florida State University's Certified Public Manager program. She is a Street Training Coordinator and oversees training for new law enforcement officers. Desirey is a certified Glock armorer, FDLE Firearms Instructor; FDLE Driving Instructor, Precision Immobilization Techniques instructor, Shoot House Instructor, Reality Based Training Instructor, Ultimate Training Munitions Instructor and a T.A.S.E.R. Instructor. Desirey also works as an adjunct professor for Kenneth C. Thompson Institute of Public Safety where she instructs both general and high liability topics of training for the police academy.

Kenneth Von Leue


Kenneth is a Deputy Sheriff and Tactical SWAT Operator.  He began his law enforcement career as a patrol deputy in 2006 and has worked in the Community Oriented Policing division aiding in PROCAP (Proactive Community Attack on Problems) efforts within his assigned communities. After his initial year of employment, he qualified for and began his special assignment as a SWAT operator. Since his initial assignment, he has been designated as an entry team member, explosive breacher, and assistant squad leader. Kenneth has continued his professional development by sharing his knowledge with fellow law enforcement professionals as an agency firearms and police rifle instructor, certified FDLE instructor, shield trainer, Field Training Officer, and annual law enforcement trainer. In addition, Kenneth currently serves as a Staff Sergeant in the U.S. Army Reserves as a Military Police Officer having deployments to the Kuwait/Iraq areas of operation. Kenneth presently resides in Polk County, Florida with his wife and three children.

John (George) Mikula 

Tactical Medic

John is currently a Paramedic/Field Training Officer for Polk County Fire Rescue. John Has been with Polk County for 12 years and involved in EMS for over 15 years. John Also serves as the Tactical Medical Coordinator for the Polk County Sheriff’s office SWAT Team. He has been on the team for over 10 years and is in charge of 10 medics.

John is a senior instructor for Tactical Medical Committee for the Florida SWAT Association. He has been instructor for new EMT’s and Paramedics. He has also is currently certified in Advanced Cardiac Life Support, Pediatric Life Support, Basic Life Support, Prehospital Trauma Life Support, Tactical Combat Causality care and had been an instructor in many of these disciplines