BOS|UA is an award-winning, full-service Architecture and Urban Design firm. Our mission is to create value with our clients, using design intelligence as a tool to find the maximum potential in every project. We embrace challenges, fueled by a passion for creating environments that promote well-being, interaction, and connection.

Paxton Sheldahl, AIA, LEED AP
Principal

Paxton brings 24 years of experience to BOS|UA. His expertise combines a determined pursuit for design excellence and the know-how to realize it, thanks to a wealth of knowledge on digital and analog technologies, building systems and regulatory frameworks. Prior to BOS|UA Paxton was a senior project architect at OMA NY.

Silvia Illia-Sheldahl, LEED AP
Principal

Silvia Illia-Sheldahl brings strategic design thinking to BOS|UA. With 24 years of experience in Architecture, her expertise resides in finding innovative design ideas and solutions that respond to wide range of parameters and constraints. Her work reflects on and uncovers the potential available with every project. Prior to BOS|UA, Silvia was a senior project designer at Utile, Merge Architects and Sasaki.

Current Collaborators