Proof Research has appointed firearms industry veteran Sean Murphy as director of sales and marketing. Murphy is expected to focus on expanding Proof Research’s sales efforts and strengthening relationships across different markets. The new hire joins Proof Research with 15 years of experience in the 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 reportedly 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, 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 was 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 reportedly 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.”
Imaged courtesy Proof Research














