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Bill Coburn

Bill Coburn is the company founder and president. He oversees acquisitions, construction, project development and entitlements for the Crested Butte office. Bill’s unique vision for the future, combined with a strong commitment to preservation, has served as the basis for Coburn’s distinction as an innovative design-build firm. Bill’s original and charismatic neighborhood concepts have transformed Boulder’s downtown landscape, and many of his projects have been recognized through local and national awards and publications. Bill served on the City of Boulder’s Landmarks Preservation Advisory Board from 1993 to 1998. He is currently living in Crested Butte, where he has created the innovative new Pitchfork development, a cutting edge new urbanist vision in the mountains. Bill has served on the Town Council to help shape Crested Butte’s future. Bill is involved in Gunnison River Ranch, a land preservation project that provides for clustered cabin sites while permanently protecting 450 acres of working ranch land. Bill graduated from the University of Colorado with a bachelor’s degree in geology.

Bill Holicky, AIA

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A Principal with Coburn, Bill is involved in a variety of project types in addition to participating extensively in the local and regional community.  He has served on the City of Boulder Planning Board, the City’s Affordable Housing Task Force, and the PD&S Advisory Board. He has taught Architectural Design at the University of Colorado, provided expert testimony for the Congressional Hearing on Energy Efficient Planning and TOD, and has served on the Boulder Design Advisory Board.  Bill has been the architect of many of Coburn’s distinguished projects and has headed projects receiving awards from the EPA, Historic Boulder, Sunpower, NAHRO and others. Red Oak Park, for which he was the Project Architect, won the Urban Land Institute Global Award for Excellence in 2012. The Commons, another award-winning project he led, is the first large scale multi-tenant net-zero building in the country.  He specializes in planning, mixed-use projects, multi-family housing, affordable housing, retail, office, and breweries. He has extensive experience in sustainable design, completing multiple LEED projects with a variety of ratings including platinum. Bill has an undergraduate degree from the University of Virginia and a Masters from the University of Colorado. He is a registered architect in Colorado and is a member of the American Institute of Architects.


Dan Flohrs

Dan contributes 18 years of experience in construction and project management to the Coburn team. Dan specializes in new construction development and delivers a high level of quality and integrity to every project. He is highly skilled and experienced in conceptual planning, preliminary job estimating and bidding. Dan is responsible for managing large construction crews and subcontractors while focusing on a wide variety of complex construction and management issues. His expertise brings value to development on-site and allows collaboration with architects and clients. Dan attended the University of South Dakota and is a certified City of Boulder Green Builder.


Jim Appel

Jim is the company’s Director of Construction, with responsibility for all construction endeavors, specializing in commercial construction, tenant finishes, residential construction and mixed-use projects. With nearly 30 years of experience, Jim has managed award-winning developments, both small and large scale. He has overseen in excess of $100 million in construction during his tenure at Coburn. Jim is skilled in the implementation of green construction solutions, and was instrumental in the company earning the Certified Green Builder designation from the City of Boulder. He is a LEED Accredited Professional.


John Koval

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John is the company’s director of development and vice president of operations, responsible for determining the economic viability of all projects. He has more than 25 years of experience in the real estate industry with an emphasis on acquisitions, commercial brokerage, property management, development and construction. He was recognized by Site Selection Magazine as a Young Leader in Corporate Real Estate, and has managed a portfolio of over 200 properties coupled with development and management in excess of $500 million. John has served in a variety of appointed civic capacities, including Chairman of the Downtown Boulder Business Improvement District Board for two terms, member of the Boulder Valley School District Capital Improvement Committee, the City of Boulder’s Technical Review Group for Affordable Housing fund allocation, and the City of Boulder’s Downtown Management Commission and Boulder Junction Access District Commission, among others. John manages the day-to-day operations for Coburn.  John received a degree in environmental design from the University of Colorado and is a licensed Colorado real estate broker.




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A Principal with Coburn, Pete has been a leader of the firm for over 20 years. Pete has run projects which have won awards from the Colorado Sprawl Action Center, the Urban Land Institute, the City of Boulder, and Historic Boulder, among others. An accomplished Urban Planner and Designer, Pete helped spearhead the introduction of New Urbanist planning and principles in Colorado. He has taught at the University of Colorado, is a LEED AP, and serves on the Board of Directors for the Flatirons Chapter of the Habitat of Humanity. Pete has extensive experience in urban planning, mixed use neighborhoods and buildings, multifamily, affordable housing, breweries, commercial office, retail, custom homes, and mountain projects. Steel Yards, for which he was the lead planner and entitlement expert, was featured with a Smart Growth Hall of Fame award, and Yarmouth Way received the ULI Jack Kemp Workforce Housing National Model of Excellence award. Pete has won a Governor’s awards for Iris Hollow and a Historic Boulder award for the design of 1505 Pearl. He has an undergraduate degree from the University of Colorado and a Master of Architecture degree from MIT. He a member of the AIA, holder of an NCARB Certificate and is a licensed architect in Colorado and South Carolina.



Grant Yamaki, AIA, NCARB, LEED AP

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Grant is a Design Director for Coburn Architecture. Grant is responsible for overseeing the design quality of Coburn’s architecture, helping to maintain the consistently high quality work product for which Coburn is known. He manages the preparation of design development and design materials necessary for presentation to the client. Grant coordinates collaboration between the Coburn team members and other consultant teams. He also specializes in planning, mixed-use projects, multifamily design, residential design, and special fabrication. Grant holds a Bachelor of Environmental Design from the University of Colorado at Boulder and a Master of Architecture from the University of Colorado at Denver. He is a licensed architect in Colorado.


Dean Hofelich

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Dean came to Coburn in September 2018 after an 18 year tenure at a firm in Massachusetts where he gained a broad range of project experience and a deep understanding of the various phases of a project, design challenges, and construction techniques.  An architectural design must embody a sense of place and time.

Project types range from schools, private custom homes, mission driven institutions such as churches and museums, commercial tenant improvements and multifamily housing.  After graduating from Arizona State, Dean’s career started in Scottsdale, Arizona as an intern for a sustainable design firm that specializes in alternative construction materials and techniques.  Ever since, he’s had a keen interest in sustainable design and the use of energy- and resource- efficient materials and building technologies, including straw-bale construction, insulating concrete forms, and post tension concrete.    

In his spare time Dean enjoys riding his motorcycle in the mountains and traveling the world.   


Fabian Baumann

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When not managing design-build projects for Coburn, Fabian enjoys being managed by his wife and four kids at home. Having worked on a handful of brewery projects, he is in charge of ensuring a well-stocked office refrigerator, a responsibility he takes very seriously. As a University of Colorado alumnus, Fabian can be found at Folsom Field most Fall Saturdays.




Nick Albus