All
Principal Owners
Market Leaders
Office Managers
Service Leaders
Alan Bronec
PE, LEED AP
Electrical Engineering
Missoula, MT

Alan Bronec

PE, LEED AP
Principal
Electrical Engineering

With CTA since 1998, Alan serves as Director of Electrical Engineering. He has 25+ years' experience with electrical design and managing multi-faceted projects in an array of industries, including 911 dispatch and emergency operation centers. His expertise includes power generation and distribution, alternative energy systems, combined heat/power systems, and fire alarm systems. Away from work, Alan takes great pride in his involvement in the Missoula community, particularly in local schools.

406.258.7313
Missoula, MT
Brad Hoyt
AIA
Living
Jackson, WY

Brad Hoyt

AIA
Associate
Living

Brad has practiced architecture in Jackson Hole since 1992, and led CTA Jackson since its inception in 2002. He has designed and managed projects of many types including custom residential, multi-family residential, healthcare, educational, restaurant, bank, retail, office, mixed-use, and recreational. His inspiration is derived from sites, client desires, and a search for a forward-thinking yet regional design sensibility. Brad serves on several local design review groups.

307.733.9955
Jackson, WY
Brad Sperry
AIA
Commercial
Billings, MT

Brad Sperry

AIA
Principal
Commercial

A licensed architect and project manager, Brad is a co-leader of CTA's Commercial team and manager of the Billings office. He has broad experience including commercial, civic, financial, educational, and residential projects, and oversees all phases of work ranging from preliminary meetings with clients through design development, construction documents, and supervision of construction. Brad's recent focus has included design for financial and tech clients.

406.896.6149
Billings, MT
Chris Goslin
Refrigeration Design
Boise, ID

Chris Goslin

Associate
Refrigeration Design

Chris manages the Refrigeration Engineering team at CTA, specializing in the design and implementation of new refrigeration system technologies. He has nearly two decades of experience in the design and management of commercial/retail refrigeration projects. Chris strives to become a trusted advisor to his clients by delivering innovative and reliable engineering solutions that surpass industry standards. He believes a great team is paramount to success.

208.577.5666
Boise, ID
Corey Johnson
AIA, LEED AP
Education
Boise, ID

Corey Johnson

AIA, LEED AP
Assoc. Principal
Education

Corey loves assisting schools, colleges, and universities in planning their vision for the future. With over 20 years of experience, Corey is focused exclusively on educational design. His talents and skills have been honed and focused around leadership, strategic planning, sustainable practices, and educational programming, planning, and design. He is passionate about creating highly effective, innovative, flexible, and collaboratively-charged education environments.

208.577.5624
Boise, ID
David Koel
AIA
Design | Living
Kalispell, MT

David Koel

AIA
Principal
Design | Living

As a design principal, David seeks to inspire creativity -- on projects, in corporate endeavors, or simply by mentoring team members on how to harness talents. He also serves as principal-in-charge of CTA's Living market, encompassing high-end single-family, multi-family, mixed-use, and boutique hotel design. David's design goals include distilling and addressing two unique inspirations: a project's perfectly specific site, and the unique needs of each client.

406.407.7782
Kalispell, MT
David Mitchell
AIA
Government
Kalispell, MT

David Mitchell

AIA
Principal
Government

David joined CTA following his graduation from Montana State University in 1989. A co-leader of the Government team, he relocated to Kalispell in 2001 to open the firm's then-newest location -- and remains its office manager. David has broad experience with complex government IDIQ and design/build projects. Throughout his career in project management, his dedication to client satisfaction has been steadfast.

406.407.7771
Kalispell, MT
David Redpath
NCARB
Architecture
New Orleans, LA

David Redpath

NCARB
Associate
Architecture

David joined CTA as an AIT in 1989, launching our New Orleans office in 2005, from which he now serves as manager of a small but passionate architectural group. David has broad experience with government agency clients, building envelope design, and facility assessments, and enjoys his specific focus with the Retail team. Throughout his career, his dedication to personal client service and inter-office relationships has been constant.

504.309.3720
New Orleans, LA
Gary Glassing
PE
Government
Boise, ID

Gary Glassing

PE
Associate
Government

Gary, a licensed professional engineer and master electrician, is a co-leader of our Government market. He has been with CTA since 1993, and spent 15 years prior as an electrical contractor. Gary manages CTA's IDIQ contracts, including work with the USGS, USFWS regions 1, 8, and 6, BLM, BIA, and NPS. He prides himself on responsiveness, and providing clients the very best possible product within allowable budgets.

208.577.5605
Boise, ID
Greg Matthews
AIA, NCARB
Healthcare
Billings, MT

Greg Matthews

AIA, NCARB
Principal
Healthcare

Greg Matthews joined CTA over 20 years ago and has been a principal since 2010. He leads our Healthcare group and works closely with hospital and clinic administration, offering guidance through master planning, design, phasing, and construction. He is known for his strong leadership and ability to genuinely understand client needs, and offer solutions that are well thought out, efficient, and cost-effective.

406.896.6124
Billings, MT
Jason Butler
AIA, NCARB, LEED AP
Commercial
Boise, ID

Jason Butler

AIA, NCARB, LEED AP
Assoc. Principal
Commercial

Architect/PM Jason Butler co-heads the firm's Commercial team, and manages the Boise office. A self-proclaimed practicing "futurist," he is deft at fostering public/private partnerships and aiding developers in envisioning the future of work/collaboration/life. Jason's priorities include promoting the efficiency of integrated project delivery methods and green architecture as essential to a sustainable environment.

208.577.5607
Boise, ID
Jim Armer
PE, CEM
Energy Services
Boise, ID

Jim Armer

PE, CEM
Assoc. Principal
Energy Services

Jim specializes in the development of refrigeration, distributed generation, and energy engineering projects. He has a passion for utilizing technology and innovation that reduces energy usage, improves system performance, and can be validated through data analysis. Jim offers significant benefit to clients through development of strategies to manage the deployment of maintenance, equipment, and energy capital across a portfolio of locations.

208.577.5626
Boise, ID
Jim Beal
AIA, NCARB
Design | Education
Billings, MT

Jim Beal

AIA, NCARB
Principal
Design | Education

With experience in many project typologies, Jim leads CTA’s pursuit of design excellence. He is a champion of high performance design that is achieved through the integration of diverse perspectives and disciplines. Jim facilitates a collaborative, fun, and inspirational design process for clients and helps translate their vision into architecture that balances the complex with the simple, and endeavors to be elegant and beautiful.

406.896.6196
Billings, MT
Joel Anderson
AIA, NCARB, LEED AP
Design
Billings, MT

Joel Anderson

AIA, NCARB, LEED AP
Assoc. Principal
Design

Joel helps facilitate clients and project teams through the creative process of architecture. He believes good design pioneers beyond market and programmatic barriers. He’s fascinated with the people, places, materials, and systems that define a building. Joel’s experience at CTA stems across urban and rural design, enabling the environments to influence each other.

406.896.6208
Billings, MT
Karen Magone
CPA, CFM
Finance
Billings, MT

Karen Magone

CPA, CFM
Associate
Finance

Karen Magone is CTA’s Finance Director, leading a team of 13 full- and part-time specialists in accounting, payroll, and more. Before joining the firm in 2012, she spent 11 years each at accounting and engineering firms, developing expertise in large platforms and rigorous standards. Karen builds trust with CTA’s leadership, design teams, and clients alike through a commitment to transparent communication (“no surprises”), attention to detail, and efficient resource management.

406.896.6174
Billings, MT
Keith Cron
CIH
Environmental Services
Great Falls, MT

Keith Cron

CIH
Associate
Environmental Services

Keith’s interest in the “science” side of occupational and environmental health, and a passion for community, have been applied in government, commercial, industrial, residential, legal, and insurance settings, and to many Brownfields projects in sustainable redevelopments. He is deft at anticipating problems; developing long-term, risk-averse solutions; and, alongside a diverse team of environmental experts, focusing on unique perspectives and client-focused decisions.

406.403.7211
Great Falls, MT
Kent Bray
AIA, LEED AP
Building Science
Missoula, MT

Kent Bray

AIA, LEED AP
Principal
Building Science

Kent currently serves as Director of CTA’s Building Enclosure team and Quality Assurance program. A senior partner whose career began in historic facade restorations, he has a continued interest in restoration and adaptive reuse, finding satisfaction in bringing life back to buildings in a way that surprises and excites. Kent also has a long-lasting interest in building forensics, formed during a stint working on prominent buildings on Chicago's Gold Coast.

406.258.7350
Missoula, MT
Kevin Feldman
PE, P. Eng, LEED AP
Structural Engineering
Billings, MT

Kevin Feldman

PE, P. Eng, LEED AP
Associate
Structural Engineering

With CTA since 2008, Kevin serves as Director of Structural Engineering. Fifteen years of structural design experience -- plus upbringing in a construction-centric family -- have cultivated expertise in planning, design, and construction on a wide array of projects. Kevin utilizes this knowledge to promote innovative and cost-effective design solutions within the entire Structural Engineering group. Away from the office, he shares his passion for engineering by volunteering with local STEM and math tutoring programs.

406.896.6273
Billings, MT
Kurt Ratz
AIA, NCARB
Architecture
Bozeman, MT

Kurt Ratz

AIA, NCARB
Associate
Architecture

A Montana native with CTA since 1993, Kurt is an architect/project manager, associate owner, and office manager for the Bozeman office. He has been architectural studio leader at both CTA Billings and CTA Bozeman. Kurt’s career experiences spanned a variety of project types, his work including facility and development master planning to full services to full-time construction services, throughout the region in both urban and rural settings.

406.922.7102
Bozeman, MT
Laura Koehler
AIA, NCARB, LEED AP
Architecture
Denver, CO

Laura Koehler

AIA, NCARB, LEED AP
Associate
Architecture

Laura is a licensed architect, project manager, and leader of CTA’s vibrant Denver studio. She has managed and designed healthcare, K-12 and higher education, multi-family, and retail adaptive reuse facilities -- several of which received design awards. Laura is passionate about ensuring visions are realized through forward thinking-solutions. A LEED Accredited Professional since 2004, she brings sustainable design sensitivity to each project.

720.598.9255
Denver, CO
Martin Byrnes
AIA, NCARB
Managing Partner
Great Falls, MT

Martin Byrnes

AIA, NCARB
Principal
Managing Partner

As our managing partner, Marty strives to provide all CTA team members with the best tools for achieving productivity and success. A project manager with the firm since 1998, his passion is the craft of architecture and serving as a close, trusted adviser to clients. His specialty, which spans many markets and facility types, is the effective planning and launch of projects, and clearly communicating the full scope of project economics to ensure understanding by all parties.

406.403.7191
Great Falls, MT
Michael F. O’Leary
AIA, LEED AP BD+C
Retail
Seattle, WA

Michael F. O’Leary

AIA, LEED AP BD+C
Principal
Retail

Mike has 40 years of experience in the architectural profession – the last 25 with Cushing Terrell. He co-leads the Retail team from our Seattle office and supports projects in the Government and Living markets. His focus is building relationships and design solutions with some of the nation’s most recognized retailers. Mike is an expert at managing the needs of multiple stakeholders, while streamlining and accelerating the delivery process.

206.395.7605
Seattle, WA
Mike Tuss
AIA, LEED AP, NCARB
Sustainability & CTA ecoLOGIC
Billings, MT

Mike Tuss

AIA, LEED AP, NCARB
Principal
Sustainability & CTA ecoLOGIC

Mike joined CTA in 1984 as an AIT. Currently licensed in three states, he is experienced with numerous building and client types, and specializes in bank, healthcare, and high-end residential design. An advocate for environmental responsibility personally and professionally, Mike's residence utilizes photovoltaic renewable power production, electric vehicle charging, rainwater harvesting, native vegetation, and high-performing building envelope design.

406.896.6167
Billings, MT
Nick Doherty
PE
Refrigeration Design
Missoula, MT

Nick Doherty

PE
Associate
Refrigeration Design

A licensed engineer with CTA since 2005, Nick heads CTA's Refrigeration Design group and manages the Missoula office. His experience is primarily in the design and management of commercial refrigeration projects. An advocate for growth and development, Nick strives to create an education-filled environment that expands opportunities, and believes the strength of the CTA Refrigeration team will ensure continued leadership in the industry.

406.258.7327
Missoula, MT
Rick DeMarinis
PE
Energy Services | Fire Protection
Helena, MT

Rick DeMarinis

PE
Principal
Energy Services | Fire Protection

Rick manages the Energy Services and Fire Protection Engineering groups at CTA. His ambition is to achieve high performance engineering solutions that exceed requirements but are cost-effective and reliable. Rick’s 36 years of diverse experience provide steady leadership to the engineering teams under his direction. He believes dedication to client needs is the foundation for creating innovative solutions that stand the test of time.

406.324.7382
Helena, MT
Rob Arthur
PE, PEng
Retail | Refrigeration Engineering
Missoula, MT

Rob Arthur

PE, PEng
Principal
Retail | Refrigeration Engineering

Rob is co-director of CTA's Retail team and principal-in-charge of Refrigeration Engineering. He is a licensed professional mechanical engineer in 29 U.S. states, Puerto Rico, and four Canadian provinces. Rob's team, which has grown from two to 25+, provides refrigeration designs for many regional and national retailers, and consulting for manufacturers and government agencies. He is dedicated to transitioning the grocery industry to sustainable refrigeration systems with cost, installation, and serviceability in mind.

406.258.7316
Missoula, MT
Scott Wilson
PE, PEng
President
Bozeman, MT

Scott Wilson

PE, PEng
Principal
President

Scott leads CTA's team of more than 400 professionals via implementation of the firm's mission, vision, and strategy; and maintaining oversight of all aspects of business operations and overall growth. A big part of his role is the constant promotion and reinforcement of a culture that pushes the boundaries of innovation and excellence. Scott is also a licensed electrical engineer with 25 years' experience on projects around the world.

406.697.7627
Bozeman, MT
Shannon Christensen
AIA, NCARB, LEED AP
Billings Architecture
Billings, MT

Shannon Christensen

AIA, NCARB, LEED AP
Assoc. Principal
Billings Architecture

Shannon leads CTA's project management initiative in developing new resources for project managers, implementing standards, coordinating training, and looking to improve project management processes. Shannon also leads and manages project teams on financial, commercial, and education projects, seamlessly facilitating communication amongst multi-disciplinary team members and clients, and overseeing the project’s success from conception through construction to reality.

406.896.6126
Billings, MT
Shawn Murray
PE
Mechanical Engineering
Billings, MT

Shawn Murray

PE
Principal
Mechanical Engineering

Shawn serves as our Director of Mechanical Engineering Design. With CTA since 1994, he has 25+ years' experience in HVAC design specializing in healthcare, government, and education projects. Shawn takes great pride in bringing value to clients by designing mechanical systems that are highly energy-efficient, yet simple and affordable.

406.896.6152
Billings, MT
Shawn Pelowitz
AIA, LEED BD+C
Government
Minneapolis, MN

Shawn Pelowitz

AIA, LEED BD+C
Government

Shawn is a licensed architect and project manager who co-leads CTA's Government team and manages our Minneapolis office. He has been fortunate to work on the government owner and contractor sides of project teams, and brings both perspectives to every project. Shawn currently focuses on growing and strengthening relationships within federal, state, and local partners, ensuring our clients receive the best possible experience and end-results.

612.213.2183
Minneapolis, MN
Sheri Blattel
Retail
Austin, TX

Sheri Blattel

Assoc. Principal
Retail

Sheri co-leads CTA's Retail team and heads up our dynamic Austin, Texas office. A 30-year architectural veteran, she has overseen some of the firm's largest and most complex retail projects. Sheri's passion for retail design and planning is fueled by understanding clients' vision and finding integrated solutions that create unique environments and successful outcomes. She is a fierce proponent for the advancement of equity, diversity, and inclusion, both at CTA and within the AEC industry.

512.900.4273
Austin, TX
Tim Miller
AIA
Healthcare
Boise, ID

Tim Miller

AIA
Principal
Healthcare

A co-leader of our Healthcare Group and principal-in-charge of Marketing, Tim has experienced the "life of architecture" since his career began with CTA. During 20+ years of specializing in healthcare design, Tim has both witnessed and helped develop many improvements to the built environment’s impact on patient, staff, and family experiences.

208.577.5604
Boise, ID
Tom Calla
AIA, NCARB
Architecture
Boise, ID

Tom Calla

AIA, NCARB
Associate
Architecture

A licensed architect with CTA since 2002, Tom loves the opportunities and challenges of Healthcare design. His goal in leading CTA’s architecture program: provide energetic, creative environments in which design teams can thrive and succeed. Tom maintains a rosy outlook on the future and is constantly amazed by the talent of his colleagues. He thinks work and play should be intermingled, and is a demonstrative champion of CTA culture.

208.577.5609
Boise, ID
Wayne Freeman
ASLA, CSLA, CLARB
SITE
Bozeman, MT

Wayne Freeman

ASLA, CSLA, CLARB
Principal
SITE

Wayne is principal landscape architect for the firm and the principal-in-charge for CTA SITE. His projects span 30-plus years and range from tranquil neighborhood parks to mixed-use urban renewal projects of dozens of square city blocks. His focus is on the horizontal landscape and market-leading teams of civil engineers, landscape architects, and planners to shape outdoor places.

406.922.7103
Bozeman, MT
Zack Graham
PE
SITE
Bozeman, MT

Zack Graham

PE
Associate
SITE

Zack leads CTA’s SITE group, bringing together the skills of landscape architects, civil engineers, planners, and land surveyors to provide clients with a unique experience for their land development projects. As a civil engineer, Zack has extensive experience in land development with national retail and commercial clients. He brings a strong combination of technical skill and project management experience to the team.

406.922.7137
Bozeman, MT

CTA's Principal Group; Billings, MT; January 2017