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NSA Associate Petar Sesar becomes a Licensed Architect in Ontario

May 29, 2026

Nicholson Sheffield Architects is pleased to congratulate Petar Sesar on becoming a Licensed Architect with the OAA.

Petar has worked as an architectural technologist for over 15 years while completing the RAIC Syllabus Program to become an architect, allowing him to further develop his strong technical expertise, thoughtful approach to complex project challenges, and dedication to the profession.

Petar is one of NSA’s leaders in Construction Administration and plays a central role in guiding projects from documentation through construction. He has represented NSA on site for major projects, including the Vision SoHo development.

Known for his calm, easy-going nature and professionalism, Petar is highly respected by colleagues, consultants, and clients alike. We are proud to celebrate this important milestone and look forward to his continued leadership at NSA.

Congratulations, Petar!

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Nicholson Sheffield Architects is pleased to announce Becky Kernohan as the firm’s newest Associate.

Since joining NSA in 2013, Becky has become an integral member of the team, contributing to projects through all phases of delivery with strong technical expertise, attention to detail, and an eagerness to continue learning. She also plays a key role in many of the firm’s healthcare renovation projects.

Known for both her professionalism and warm, approachable nature, Becky continues to make a lasting impact on both the firm and our clients. We are excited to celebrate this milestone and look forward to all she will continue to accomplish as an Associate.

Congratulations, Becky!