Acton Ostry Architects (AOA) has announced an expanded leadership team, welcoming Calvin Lau as director of finance; and Molly Gray, Matias Grez, and Mehdi Hashemi as associates, and Nebo Slijepcevic as production specialist.

“AOA’s strength lies in the depth of talent and commitment across our team,” said principal Matthew Wood. “These appointments recognize individuals who have consistently demonstrated leadership, design excellence, and deep understanding of the firm’s values. Their expanded roles will be instrumental as AOA continues to grow.”

Calvin Lau

As director of finance, Calvin will provide leadership over the firm’s financial direction and will be instrumental in shaping and advancing AOA’s long-term strategic objectives. Since joining the firm in 2020, he has played a key role in strengthening financial reporting, forecasting, and analysis, helping to support informed decision-making across the practice.

Molly Gray 

Since joining AOA in 2012, she has contributed to complex institutional, mixed-use, and educational projects, including the Jewish Community Centre Campus Redevelopment, UBC Sauder Powerhouse Project, UBC Hebb Building Renewal, and SFU Child Care Expansion.

Matias Grez 

Matias joined AOA in 2018 and brings 12 years of experience across mixed-use, residential, and educational projects. His recent work includes Phase 1 of Portwood in Port Moody, the UBC Sauder Powerhouse Project, ongoing renovations at West Point Grey Academy, and several mixed-use rental residential developments being rezoned under Vancouver’s Broadway Plan.

Mehdi Hashemi 

Mehdi is a senior project manager and contract administration specialist with experience across residential, mixed-use, hospitality, commercial and retail projects in Canada and abroad. He joined AOA in 2024 and is currently leading contract administration for Phases 1 and 2 of Portwood in Port Moody.

Nebo Slijepcevic 

Since joining AOA in 2009, he has been a key contributor to the firm’s technical production on major institutional projects, including Limberlost Place in Toronto, King David High School Expansion, Little Flower Academy, and the UBC Sauder Powerhouse Project. He is currently overseeing document production for the Jewish Community Centre Campus Redevelopment.

Principal Derek Fleming added, “Each of these individuals brings a unique perspective and skill set that strengthens our practice. From financial stewardship to project delivery and technical production, this expanded leadership team enhances our ability to deliver architecture that reflects the aspirations of our clients and communities.”