We're engineers, designers, and operators focused on measurable performance.
Defiant Precision Technologies is an energy technology company founded on a simple premise: completions don't have to rely on brute force. By replacing overwhelming horsepower with precise control, we're redefining what's possible in oil and gas completions, delivering measurable efficiency gains, significant cost reductions, and better data, all while making operations cleaner and simpler.
Our team combines decades of experience in completions engineering, tool design, field operations, and technology commercialization. We're inventors, operators, and strategists who understand both the technical challenges and the business realities of bringing breakthrough innovations to market.
Measurable results, not hype, drive us. Every technology we develop is grounded in physics, validated through rigorous testing, and designed for real-world deployment. The best innovations are the ones operators actually want to use, and that means balancing performance, simplicity, and economics.
We don't develop technologies based on trends or hype. Every innovation starts with first-principles engineering and rigorous validation.
We measure success by performance data, not promises. Our technologies are designed to deliver measurable, repeatable results.
The best technology is useless if operators won't use it. We design for operational simplicity, crew continuity, and minimal change management.
We're honest about what works, what's in development, and what the limitations are. Trust is built on transparency.
Founder & Chief Executive Officer
Nick Jones brings three decades of experience leading energy and technology ventures to Defiant Precision.
As a contributing inventor and strategic driver, he shapes the company's commercial vision and execution, ensuring that breakthrough technologies translate into deployable solutions that operators can adopt with confidence. Nick's background spans energy operations, technology development, and business scaling. He understands what it takes to bring complex innovations from concept to market and, more importantly, from market to widespread adoption.
Read MoreFounder & Chief Technology Officer
Cullen Keyes is the conceptual originator of much of Defiant's core intellectual property,
including the early designs of the Bullet Perforating Gun and the FURY System. As Chief Technology Officer, he leads innovation strategy and R&D direction, ensuring that every technology remains grounded in physics and measurable performance.Cullen's technical vision drives Defiant's product roadmap. He bridges the gap between theoretical possibility and practical application, translating complex engineering challenges into elegant, deployable solutions. His focus on first-principles thinking ensures that Defiant's innovations deliver real-world value, not just technical novelty.
Read MoreChief Operations Officer
Larry Griffin is an accomplished innovator and completions engineer with extensive expertise in tool design and field
deployment. As Chief Operations Officer, he oversees prototype development and performance validation for both Precision Perf and Precision Frac systems, ensuring that every design translates from concept to field-ready hardware.Larry's hands-on experience with downhole tools and completions operations informs every aspect of Defiant's product development. He knows what works in the field and what doesn't – and he ensures that Defiant's technologies are built to perform under real-world conditions.
Read MoreChief Commercial Officer
Brett Vinson is an engineer-turned-strategist focused on partnerships and market adoption.
As Chief Commercial Officer, he leads customer engagement, technical sales, and pilot planning, working closely with operators to demonstrate how Defiant's technologies deliver measurable results.Brett understands both the technical and commercial sides of completions. He speaks the language of engineers while driving the business outcomes that matter to decision-makers. His focus is on building long-term partnerships grounded in performance data and shared value creation.
Read MoreLead Designer
Ian Janke is a mechanical design specialist who translates concepts into field-ready hardware.
He works closely with the engineering and operations teams to ensure that every component is optimized for performance, manufacturability, and reliability.Ian's expertise in CAD, prototyping, and design-for-manufacturing ensures that Defiant's innovations can scale from lab prototypes to commercial deployment. He's focused on the details that make the difference between a good idea and a deployable product.
Read MoreWhether you're interested in partnering with Defiant, exploring pilot opportunities, or learning more about our team and vision, we'd like to hear from you.
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