Cushing Terrell Promotes Two Team Members to Associate Principal

New associate principals represent leadership in key service sectors: electrical engineering and energy services. 

Multidisciplinary design firm, Cushing Terrell, is pleased to announce the promotion of two team members to the role of associate principal: Carl Maehl, based in Missoula, Montana, and Alex Russell, based in Bozeman, Montana. Maehl and Russell have demonstrated exceptional leadership in the growth of their service sectors — electrical engineering and energy services — and in their ability to act as trusted advisors for their clients and enhance the firm’s work in areas critical to the future of the built environment.  

“Carl and Alex have shown a keen understanding of what our clients need to be successful in their design and development projects, as well as what is needed comprehensively across our industry to deliver beneficial projects that stand the test of time,” said President Greg Matthews. “Their ability to maintain that big-picture perspective and continually anticipate and innovate are key qualities we want in our leadership team, and I’m proud to see them earn this promotion.” 

Meet Cushing Terrell’s New Associate Principals

Carl Maehl, PE, LEED AP | Director of Electrical Engineering | Missoula 

Maehl has been with Cushing Terrell for more than 20 years and serves as a co-director of the firm’s electrical engineering group. As the leader of a service sector with more than 50 team members in 12 locations, Maehl is known for his ability to mentor and empower others, develop upcoming leaders, and manage people and projects with meticulous attention to detail and quality outcomes.   

“I’m honored to have been with Cushing Terrell for most of my career,” said Maehl. “I’ve witnessed the tremendous growth of our firm during this time, which has also given me the chance to learn and grow along with it. I’m dedicated to continuing to support our collaborative culture and to build strong community relationships. I approach each project as an opportunity for innovation and creativity while striving to make a positive impact for our clients and the communities we serve.” 

“Carl’s quiet confidence is backed by two decades of successful projects and clients who repeatedly use the word ‘quality’ when speaking about him and his work,” said Matthews. “Carl is known as a ‘strategic force’ and when you combine this with his mentorship abilities, you have the qualities of a leader who will not only continue to progress the electrical group but our firm as a whole.”  

Alex Russell, PE, LEED AP BD+C, CEM, GGP | Director of Energy Services | Bozeman 

Russell has been with Cushing Terrell for 13 years and serves as director of the firm’s energy services group. With experience in all facets of mechanical design, Russell brings together the firm’s multidisciplinary expertise to deliver cutting-edge energy solutions that result in high-performing, healthy environments. With LEED BD+C, Green Globes, and Certified Energy Manager accreditations, he uses his expertise to design efficient, cost-effective mechanical systems for projects that range in size from a single building to an entire university campus. 

“I’m fortunate to have spent my career surrounded by talented, passionate team members,” said Russell. “With so much uncertainty in the world and mounting challenges with our built environment, I’m motivated by our team’s constant commitment to make an impact through design. I look forward to leveraging this expertise, in partnership with forward-thinking clients and partners, to deliver projects that benefit future generations.” 

Alex has been a progressive leader at our firm from day one, pushing us toward greater understanding not only of the potential of his discipline, but of our potential as an A/E firm,” said Matthews. “Our energy services work continues to be in demand and to have an incredibly important role in ensuring efficient, reliable, sustainable, and cost-effective solutions for our clients. 

About Cushing Terrell

Cushing Terrell was founded in 1938 on the belief that integrating architecture, engineering, and design opens the doors for deepened relationships and enhanced creativity. This foundation continues to define the firm and its multidisciplinary team today. Driven by empathy, the team works to design systems and spaces that help people live their best lives and enjoy healthy, sustainable built environments. With more than 400 team members and expertise across the commercial, education, government, healthcare, infrastructure, residential, and retail markets, the firm has offices in Colorado, Idaho, Louisiana, Minnesota, Montana, Texas, and Washington. For more information about Cushing Terrell, visit