Leadership Team
Dr. Jim Deller
Jim joined the ClearSign team in 2019, bringing 28 years of burner experience and over a decade of operating and sales experience in China. Over the course of Jim’s career he has held roles in project management, sales and as chief combustion engineer. Most recently, Jim spearheaded the Honeywell UOP Callidus burner sales division and successfully led international teams to develop and introduce new technologies, expand into new markets and increase global burner sales.
Jim leads all segments of ClearSign’s research and development, sales and business management divisions. Jim’s reputation of superior technology development and understanding of industry goals and challenges provides him the necessary experience and foresight to enhance ClearSign’s business model through the development of strategic partnerships within his industry network.
Jim Deller
Jim has a Bachelor of Engineering in mechanical engineering from Portsmouth Polytechnic, U.K., a doctorate in flame chemistry from the University of Portsmouth, U.K., and an MBA from The University of London. Jim completed his Ph.D. with a thesis titled “The Control of NOx Emissions from Power Utility Burners.” Since the beginning of this career, Jim has focused on decreasing NOx emissions and boosting operational efficiency and brings these core values to the ClearSign team.
Meet Our Team






Employee Spotlight
Brittney is new to ClearSign and is based in the Tulsa, OK office. Like many at ClearSign, Brittney wears multiple hats, but her main duties are as a buyer, supporting our finance team and controlling expenditures, developing ClearSign’s marketing and media output and coordinating and expediting our sales activities. As one of her first projects, Brittney has had a large role in the development of this new website.
“This was a great move for me. Things are happening quickly, and everyone is so passionate about what they’re doing. I’m very happy to be here and to be a part of what ClearSign is developing. Welcome to our new website!”