Voltage Response Team
Voltage Response Team
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Who We Are

Worker in orange safety vest refilling a container.

Jesse Ruhmann

Aaron Sour, PhD

Jesse Ruhmann

 Lithium-Ion Mitigation & Technical Response Specialist 

Worker in safety gear inspecting vehicle underside.

Greg Downer

Aaron Sour, PhD

Jesse Ruhmann

 Battery Mitigation & Damage Assessment Specialist

Aaron Sour, PhD

Aaron Sour, PhD

Aaron Sour, PhD

 Incident Safety, Risk Management, and Documentation Specialist 

Worker inspecting equipment and taking notes.

Cathy Ruhmann

Cathy Ruhmann

Aaron Sour, PhD

 Incident Documentation & Response Coordination Specialist 

Man working inside car trunk with the lid open.

Mike Brasher

Cathy Ruhmann

Mike Brasher

 Battery Systems & Technical Operations Specialist 

Beau Ruhmann

Cathy Ruhmann

Mike Brasher

 Battery Recovery & Field Operations Specialist 

Experience Built for Lithium-Ion Response

VRT brings together decades of combined experience in electric vehicles, lithium-ion battery systems, collision damage assessment, emergency response, high-voltage safety, incident management, and field operations. Our multidisciplinary background gives us a unique understanding of battery incidents—from how damage occurs and hazards develop to the challenges involved in safely managing compromised batteries after an incident.


Our team has extensive hands-on experience with electric and hybrid vehicles, high-voltage battery systems, damaged vehicle assessment, emergency operations, and lithium-ion battery hazards. That experience extends beyond EVs to standalone batteries, modules, packs, and battery energy storage systems (BESS).


This combination of technical and response expertise allows us to approach each project from the perspective of the entire incident, not just the battery. From initial assessment and hazard identification through stabilization, mitigation, removal, and packaging, our team provides a coordinated path toward safe resolution.


We understand the technology. We understand the incident. We know how to manage what comes next.

Copyright © 2026 Voltage Response Team - All Rights Reserved.


Vehicle Response Training LLC and Voltage Response Team LLC are separate companies. 

Training services are provided by Vehicle Response Training LLC. 

Emergency response and mitigation services are provided by Voltage Response Team LLC.

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