The ESS Global Corp staff is made up of highly trained agents with diverse backgrounds.  This gives us the ability to put together a team to fit any security need.  Due to the vast variety of our clientele, our staff has been chosen from all branches of the military, law enforcement and Executive Protection backgrounds enabling us to perform all operations and details with extreme precision and efficiency.

Our Senior Agents all have a minimum of 5 years of field experience with some having upwards of 25 years.  The ESS Global Corp staff has provided security and Executive Protection with operations in over 50 countries around the globe. Resumes of our staff members are available upon request.

Theodore Billiris

Chief Executive Officer

University of Florida
Provided Executive Protection and led details in over 30 countries
ASI -  Executive Protection Training, Handgun Retention Course, Defensive Tactics Course
Active Shooter/ Killer Threat Instructor – Close Quarters Combat Inc.
Krav Maga Training - Israeli Hand-to-Hand Combat Training
Florida Class D Security License
Florida Class DI Security Instructor
Florida Class G Armed Security License
Florida Class W Concealed Weapons License
Hand Gun Retention Training - ASI
Defensive Tactics Training - ASI
Hand to Hand Techniques Training - ASI
NRA Basic Pistol Certification
CPR & First Aid - Through EMS Safety
ASP Certified - Baton & Handcuff
Taser Certified
MACE Certified - OC Spray

Marianne Vollrath

Office Manager

Kurt Owen

Prefense Instructor: 1 of only 13 certified and hand chosen by Steve Tarani
Israeli Certified KMG Krav Maga Combat Instructor: one of less than 50 in the world
Israeli Certified IFMF Krav Maga Executive Protection Instructor
Israeli Certified Krav Maga Civilian Instructor
Olson Combat Law Enforcement Instructor
Knife Fighting/ Defensive Use instructor
Keysi Fighting Method Instructor
Combat Focus Shooting Instructor
Active Killer Law Enforcement Instructor
Active Killer Armed Response Instructor
A.L.I.C.E. Instructor
Surefire Low Light Instructor
NRA Pistol Instructor
NRA Rifle Instructor
NRA Shotgun Instructor

Jamie Sclater

Senior Field Agent/ Instructor

Graduate of Elon University
BS in Exercise Sports Science (2002)
US Navy Fleet Marine Force (FMF) Hospital Corpsman (11.5 yrs) (2003-2015)
Graduate of USMC Scout Sniper Basic Course (8.5 yrs)
Graduate of US Navy/ USMC Formal School Instructor Course (FSIC) (4.5 yrs)
Deployed in support of Operation Iraqi Freedom (OIF) (2007)
Deployed in support of Operation Enduring Freedom (OEF) (2006; 2009; 2011)
Armed Transport Specialist
Static and Mobile Surveillance Supervisor
Static and Mobile Security Specialist
Threat Assessment/ Security Advance (TASA) Instructor, ESS Global Corp
Executive Protection Advance Instructor, ESS Global Corp
Tactical Private Security Specialist (PSS)
Florida Class D Security License
Florida Class G Security License
Florida CCW License
CPR/ BLS Certified
Former Team USA Paralympic Swimmer, set 9 American Records in SB9/ S10 categories. Competed both Nationally and Internationally for Team USA as well as competed at the US Paralympic Swimming Trials in 2016.
Executive Protection Training (28 day) – ESS Global Corp
Advanced PSD Operations (14 day) - Predator Security & Defense

Don Cristman

Senior Instructor

24 years Law Enforcement  experience
Team Leader - Ft. Pierce Police SWAT Team
Commander Of The Crime Suppression Unit
Expert Witness in "Use of Force" - 19th Judicial Circuit
Close Quarter Battle Instructor
Federal Use Of Force Instructor
Force Science Use of Force Analyst
Hostage Rescue Instructor
Shoot House Instructor
Combat Simulator Instructor (MILO)
Active Shooter Instructor (Law Enforcement)
Active Shooter Instructor (Civilian Sector)
Edged Weapons Instructor
Defensive tactics Instructor
Entry Room Combatives Instructor
Ground Combatives Instructor
Tactical Baton Instructor
Conductive Energy Weapon Instructor
Handcuffing Instructor

Ray Johnson

Senior Instructor

United States Air Force
Survival Equipment Specialist/ Combat Control Team (CCT) Parachute Rigger
Nuclear, Biological, Chemical (NBC) Warfare Instructor
Camouflage Concealment and Deception Instructor
Combat Readiness Force (CRF) Aggressor Team Member
Deployed to Middle East for Desert Storm/ Desert Shield
AO: Bahrain, Dhahran, Riyadh as (NBC) Technician/ Command Post Operator
Nuclear Sniffer Team Member (USAFE)
NRA Firearms Instructor
Executive Protection Training
Threat Assessment & Advance Tactics Training
Anti­‐Terrorism Officer Training
Bomb Threat Assessment (IED/ VBIED)
Psychological Profiling and Situational Awareness Instructor
NRA Pistol/ Personal Protection in/ outside the Home Instructor
Range Safety Officer
ESS Global EP Alumni
ASP Certified Instructor-Baton, Handcuff, & Tactical Flashlight
PhaZZer Certified Instructor
State Certified D & G Licensed Instructor
Transportation Workers Identification Card (TWIC)
Defensive Edged Weapons, Gun Takeaway Trained
Class A (CDL) Hazmat
Certified CPR/ First Aid BLS

Timothy Ratcliffe

Senior Instructor

CPR/ BLS Instructor
Trauma Instructor
Class D Security License
Glass G Security License
150 Hour Executive Protection Course - KCM
Protective Services Training – Steve Tarani
Pre-Fense Situational Awareness Training - Owen/Tarani
Active Shooter Instructor Certified - FLETC & CQC Inc.
Defensive Tactics Instructor – ESS Global Corporation
Black Belt in KRAV MAGA - KMMA USA
5 Years Competitive Grappling/ Jiu-Jitsu - Dragon’s Dojo Mr. C

Conrad Palermo

Senior Instructor

United States Coast Guard
NRA certified Concealed Weapons Classes
NRA Law Enforcement Firearm Instructor
ASP Tactical Weapons Instructor
Florida State K licensed Instructor
Florida State D licensed
Florida State G licensed
Executive Protection Trained & Certified
Certified Protection Operator and Body Guard
Certified in Tactical Takeaway & Defense
Certified “PhaZZer” Instructor

James Olson

Senior Instructor

Krav Maga Instructor E1
Black Belt Tae Kwon Do
Black Belt Hap ki do
Tai ho Jujitsu Instructor (Brown Belt)
Keysi Fighting Method Instructor (Brown Belt)
Instructor Blauer Spear System
Master Instructor – Firearms
State of Florida Certified Firearms Instructor
CJSTC Certified Firearms Instructor
Tactical Shotgun Instructor
Scope Rifle Operator Instructor
Patrol Rifle Instructor
Combat Handgun Instructor
ASP Impact Weapons Instructor
Conducted Energy Weapon (Taser) Instructor
Force on Force Instructor
CJSTC Certified Defensive Tactics Instructor
Certified Use of Force Instructor
One on One Control Tactics Instructor
Lead Firearms Instructor for the IRSC Police Academy
Certified Weapons Armorer for: (Glock, Colt, Remington, Heckler & Koch, Sig Sauer & Taser)
Certified Emergency Operations Driving Instructor
Rapid Response Instructor
U.S. Air Marshall Flying Armed Training Instructor