Nicholson Sheffield Architects Inc. upholds a reputation of professional excellence, while meeting design challenges with creative and effective solutions.

Principals Jim Sheffield and Gerald Gallacher lead the firm. Founding Principal, John Nicholson has retired as a shareholder and remains a member of the leadership team and advisor to the firm.

Our staff is made up of a talented group of architects and technologists with diverse skills. They take pride in the work of the firm and strive for constant improvement of their own technical, administrative and design skills. As a result, the firm is able to produce award-winning designs for projects of varying size, budget and complexity.

Jim Sheffield Principal
Gerald Gallacher Principal
John Nicholson Founding Principal
Walter Derhak Associate
Tim Wickens Associate
Dustin Parkes Associate
John Ly Associate
Hillary Little Intern Architect
Mark Graham Intern Architect
Petar Sesar Technologist
Eric Nemeth Technologist
Ben Macari OAAAS Technologist
Emma MacMillan OAAAS Technologist
Courteney Vandescheur OAAAS Technologist
Bryce Engberts Technologist
Nathan Otterbein Technologist
Becky Kernohan Technologist
Tracey Watters Consultant
Bryar Anderson Director of First Impressions
Karleigh Hughes Co-OP Student

Interested in joining the NSA team?

Give us a call: 519-673-1190
Contact Us