Ben Gaum, Director, OAA

cell: 647-504-5565

Ben has over 15 years of architectural experience and has been a fully licensed architect with the Ontario Association of Architects since 2012. Along with a previous degree in Architectural Technology, he has a hands on approach in the execution of documents on both a design and technical level. He is responsible in overseeing the day to day project coordination and implementation throughout the project life-cycle.

With a strong background in mid to high rise mix-use residential as well as commercial and institutional builds, Ben’s wide range of experience allows him to have a holistic approach in his role as director and project architect. Having worked closely with some of the biggest developers in Toronto and the rest of Canada, his fully collaborative approach to all projects and focus on quality and execution in his work  speaks volumes to his continued positive relationships with clients and consultant teams.  In his spare time, Ben is also a professional photographer and musician.

Katherine Sendrowicz, Director, LT.OAA

cell: 416-861-8642

Katherine has over 18 years of experience in the design industry working in leadership roles at top design firms in Canada, such as Core Architects, HOK, Cannon and former HPA Canada, where she held a position as a Director of the Canadian practice. Katherine has a long history of effectively executing and leading many complex, challenging and award-winning projects and takes great pride in her focused dedication and passion for the architectural industry.

With over 60 projects in her portfolio, she has a wealth of expertise and experience in various design typologies. Some notable projects are the first prototype in North America for VIP Cinemas, numerous award-winning residential projects in the popular King West District of Toronto, such as 75 Portland (in collaboration with Philippe Starck) as well as a new Campus building at the Heritage site of Humber College Lakeshore Campus.

Katherine was able to build on her extensive residential building experience by gaining valuable metric specific knowledge and skillsets while working with HPA to understand successful design and execution of purpose-built rental and student housing design. This knowledge of an ever important growing residential sector has positioned her as an industry leader both locally and across Canada. Similarly, her years of experience with high profile Institutional and Commercial projects, permit her to have a rounded knowledge of design approaches, building systems and client needs. She is a strong designer who takes pride in her work and her reputation and her portfolio echos this.

Katherine has been licensed with the Ontario Association of Architects since 2014. In her personal time, she seeks adventure traveling. In January 2020 she successfully summitted Mount Kilimanjaro, Africa, a 19,340’ high mountain climb and aims to summit the remaining 6 tallest mountains on the different continents.

Nancy Meneses, BIM/Production Manager, OAA Intern


Nancy has over 10 years’ experience in the Canadian and American market having worked on many award-winning projects. She has exceptional knowledge of mixed-use residential design with hands-on involvement in various project sizes and complexities from the onset of the project till completion. Nancy has a strong understanding of concept design and its translation into built form. She can navigate through complicated sites and challenging zoning and municipal restrictions. She has a passion for graphics, which lends itself in her quality of execution of drawings and documents.

In her active role as the BIM/Production Manager, Nancy is in charge of creating and managing the quality of the firm’s design documents. Her organization of design process’s and standards sets a high bench mark for the overall quality control of all the offices contract documents and deliverable’s. She is a strong designer with a meticulous eye for detail.

Group Collective

We are excited to announce our collaboration with celebrated industry professionals Smart Density – Urban planning and design specialist
and Cerca – Pre Fabricated systems