David Tryba, FAIA

Lead Design Principal

The Founding Principal of the architecture, urban design and planning firm, David’s passion for cities directs the work of Tryba Architects. He is involved in each of the firm’s projects and excels at leading talented designers towards solutions that are in the best interest of the client, the community and the project. David’s entrepreneurial spirit directs the firm’s commitment to the development and transformation of urban buildings, sites and systems into active, human-scaled and successful places.

David possesses a deep understanding of the evolution of cities—past, present and future—and has completed projects across North America including Colorado, New York, California, Florida, Michigan, Pennsylvania, Utah, Arizona, Massachusetts, Mississippi, Washington, Texas and Mexico.

William Moon, AIA

Managing Principal

Bill’s role as Managing Principal is foundational to the firm’s practice. He joined Tryba in 1990, two years after the founding of the firm, and committed to learning everything about practicing architecture—craft, business development, project management and operations.

Bill is dedicated to the design, adaptive reuse, and redevelopment of structures, systems and the public realm of the modern city. He focuses on the long-term consequences of urban sprawl, resource management and the revitalization of urban neighborhoods. He is highly involved in the growth of cities and volunteers to aid various local organizations in their efforts to promote smart growth initiatives and rehabilitation of historic structures.

James McDonald,

Chief Financial Officer

With nearly two decades of experience in tax, audit, financial management and forecasting for entrepreneurs, James joined Tryba Architects in 2003. James’s skilled forecasting and strategic cash flow and tax management contribute to the firm’s fiscal efficiency, stability, and efficiency.

The volatility of real estate values, financial markets and labor and material costs impacts the business of architecture. James’s expertise not only assures the firm’s fiscal stability, but also makes a substantial contribution to the client’s bottom line. James's expertise is responsible for the firm earning the Denver Metro Chamber of Commerce’s Small Business of the Year award, the first time the honor has been awarded to a design firm.

Jeff Smith, AIA


Jeff brings over 17 years of design and project management oversight of mixed-use and residential projects. Formerly on the Planning Commission for the City of Erie, Colorado, Jeff used his background to assist the city with design processes. He brings his exceptional problem solving skills, communication, leadership and a detailed eye to any project he is involved in.

For the past 5 years, Jeff has managed Tryba’s client relationship with a national apartment Real Estate Investment Trust with holdings across the United States. Jeff is uniquely experienced in historic preservation and adaptive reuse / redevelopment of existing properties in high value locations. His ability to build consensus through a commitment to collaboration while protecting the client’s brand has added immeasurable value to their portfolio.

John McIntyre, ANZIA


John has 16 years of experience in award-winning, international design. He has provided design leadership for national and international cultural institutions, master plans, adaptive re-use and mixed-use developments in New York, Toronto, London and New Zealand. In addition to expertise in urban design and master planning, John is experienced in the technical development and detailing of custom building envelope solutions and in the refurbishment and transformation of historic or obsolete structures and places. His diverse project experience, commitment to collaboration, and skills in verbal and visual communication ensure the clear flow of information between project teams and clients.

Scott Halpin, AIA

Associate Principal

Scott brings over 40 years of design, management and production oversight to nearly every large project the firm delivers. His experience with retail and municipal projects has allowed Scott to successfully manage some of the firm’s largest and most complex projects. In addition to managing project teams, schedules, budgets, and expectations, Scott mentors the firm’s considerable intern development program, which he describes as, “working with the best group of young architects in town.”

Alexa Taylor, AIA

Associate Principal

Alexa brings more than 20 years of experience managing complex civic, aviation, mixed-use and multifamily developments. Her excellent communication skills complement her thorough command of contract, design and construction detail. Calm, smart and highly collaborative, Alexa serves as a steady metronome for award-winning projects, complex approval protocols and teams comprised of Tryba designers and external consultant teams.