COLUMBIA FALLS, Mont. – September 16, 2026 – PROOF Research is proud to announce the hire of Sean Murphy as director of sales and marketing. Murphy joins PROOF Research with 15 years of experience in the firearms industry, spanning sales, marketing, product management and training in the premium optics, suppressor and firearms sectors.
Murphy most recently served as vice president of sales and marketing at Sons of Liberty Gun Works, where he played a key role in driving the company’s commercial, law enforcement and military growth. Previously, he held positions with Nightforce Optics and KGM Suppressors, building a broad understanding of both civilian and professional markets.
“Sean brings an incredible combination of industry experience, sales leadership, competitive shooting expertise and knowledge of PROOF Research,” said KK Jense, CEO of PROOF Research. “His knowledge of multiple markets will be an essential contribution to our work as we continue to expand our reach. We’re excited to welcome Sean to the PROOF team in this new capacity and look forward to what we’ll accomplish together.”
Murphy’s experience extends well beyond the business side of the industry, having been a competitive shooter for 20 years across various disciplines, including action shooting and long-range precision. He has also been a member of the PROOF Research Shooting Team for a decade, giving him a longstanding firsthand understanding and appreciation of PROOF’s technology. Additionally, he formed a highly successful long-range duo with Greg Hamilton, PROOF Research’s director of special projects, further deepening his familiarity with PROOF’s approach to performance-driven product development.
“I’m excited to join the PROOF Research team that I’ve known and loved for many years,” said Murphy. “Being no stranger to the capabilities of their barrels and rifles, the company is leading the industry with innovations in technologies for next-generation weapon systems and unlocked performance previously unimaginable. It is an exciting time to be in the small arms industry and to join the great team at PROOF. I look forward to being a part of the company’s continued success.”
In his new role as director of sales and marketing, Murphy will focus on expanding PROOF Research’s sales efforts and strengthening relationships across different markets. His combination of industry leadership and firsthand knowledge of PROOF’s products and technologies positions him to help drive the company’s ongoing growth. Murphy’s addition to the team comes as PROOF Research continues to advance its lineup of next-generation small-arms technologies designed to deliver exceptional performance.
For more information about Proof Research, visit ProofResearch.com.
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