Train with Real Emergency Responders

Tech Safety Lines' trainers are fire fighters, EMTs, and members of Urban Search & Rescue. These rescue experts bring real life experience to the TSL training curriculum. Students walk away with a holistic understanding of emergency environments and the tools to ensure they get home safe day after day.

Carlos Garza - Tech Safety Line Trainer

Carlos Garza

Tech Safety Lines Trainer

TSL Trainer since 2005

Firefighter from 1994 – Present

From Corpus Christi, TX

Lives in Waxahachie, TX

Training Philosophy: “Get them to the ground safely.”

Notable Experience: Active member of the Dallas Fire Department’s USAR team, Texas Task Force II, OSHA 10.


  • High Angle rescue
  • Confined Space
  • Trench Rescue
  • Structure collapse
Ed Madden - Tech Safety Line Trainer

Ed Madden

Tech Safety Lines Trainer

TSL Trainer since 2012

Firefighter from 2008 – Present

From Killeen, TX (Fort Hood)

Lives in Greenville, TX

Training Philosophy: “Build Skyscrapers: Teach and train members with the basics of rescue, the nuts and bolts, to help them build the foundation of the rescue world. Then start to teach members how to think outside the box and start adding levels/stories to the foundation of the skyscraper. The sky is the limit!”

Notable Experience: B.S. degree in Exercise and Sports Science with a minor in Special Education. Member of Dallas Fire-Rescue Urban Search and Rescue Team. Member of Texas Task Force II.


  • Rope Rescue Operations
  • Wide Area Search Operation
  • Structural Collapse Operations
  • Confined Space Operations
  • Heavy Rescue and Extrication Operations
Joe Don Dutton - Tech Safety Line Trainer

Joe Don Dutton

Tech Safety Lines Trainer

TSL Trainer since 2005

Firefighter from 1999 – Present

From Van, TX

Lives in Van, TX

Training Philosophy: “The #1 reason I’m here is to help you get home safely at the end of the day.”


  • High Angle Rescue
  • Confined Space Rescue
  • Trench Rescue
  • Structure Collapse Rescue
Bryan Corley - Tech Safety Line Trainer

Bryan Corley

Tech Safety Lines Trainer

TSL Trainer since 2013

Firefighter from 1987- 2018

From Bucaramanga, Colombia, South America

Lives in Forney, TX

Training Philosophy: “Take a deep breath and keep it simple.”

Notable Experience: Former member of the Texas Task Force. Served 2 years as a Rescue Manager.

Justin McKinney - Tech Safety Line Instructor

Justin McKinney

Tech Safety Lines Trainer

Coming soon!

Marc Ball - Tech Safety Line Instructor

Marc Ball

Tech Safety Lines Trainer

TSL Trainer since 2005

22 Years in the Telecommunications Industry

From Honolulu, HI

Lives in Frederick, MD

Training Philosophy: “My philosophy of teaching safety and rescue has evolved over several years of teaching experience.

My mission as an instructor:

  • To provide a positive learning environment that sparks learner’s interest and enthusiasm.
  • To provide a simple, hands on approach to learning, giving the student a strong foundation on which to build his or her skills.
  • To provide immediate feedback through both classroom assessment and practical application.”


  • OSHA 500 Outreach Trainer
  • Structural Welding-Steel
  • AHA-CPR/First Aid
  • NWSA- Subject matter expert/ TTT-1 & TTT-2
  • 3-TV Antenna Helicopter Picks
  • The Crosby Group- Heavy Rigging
Matthew Geller - Tech Safety Line Trainer

Matthew Geller

Tech Safety Lines Trainer

TSL Trainer since 2011

Firefighter from 2000 –  Present

From San Antonio, TX

Lives in Wylie, TX

Training Philosophy: “Slow is smooth and smooth is fast.”

Notable Experience: Current Helicopter Rescue Specialist for Texas Task Force I


  • Rope Rescue Instructor
  • Confined Space
  • Swiftwater Rescue
  • Vehicle Rescue
  • Trench Rescue
  • Structural Collapse Rescue
  • Haz Mat

Matthew Turnell

Tech Safety Lines Trainer

TSL Trainer since 2017

Firefighter from 2011 – Present

Lives in Weston, TX

Training Philosophy: “I never want my students to just memorize steps to perform a specific scenario. I want my students to be able to apply their skills and knowledge of the equipment to perform in every scenario.”

Notable Experience: Member of Dallas Fire Department Urban Search And Rescue team at Station 33, Served as Team Leader in the 3-124 CAV Long Range Surveillance Detachment. Texas Task Force II Medical Specialist. Licensed Paramedic.


  • Technical Search & Rescue
  • High Angle Rescue
  • Confined Space Rescue
  • Structural Collapse Rescue
  • Vehicle Rescue
  • Trench Rescue
Nathan Pilcher - Tech Safety Line Trainer

Nathan Pilcher

Tech Safety Lines Trainer

Coming soon!

Stephen Spencer - Tech Safety Line Trainer

Stephen Spencer

Tech Safety Lines Trainer

TSL Trainer since 2016

Firefighter from 2005 – Present

From Amarillo, TX

Lives in McKinney, TX

Training Philosophy: “Train until it becomes second nature.”

Certifications: Certified in multiple aspects of Urban Search and Rescue since 2008