Our Team

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Catherine Callahan brings her background as a visual artist to every project she undertakes. As a landscape architect and painter, she finds inspiration in the interplay between fine arts and design. Catherine holds a Masters of Landscape Architecture from Cornell University and a BA and MEd from McGill University. Her experience in Landscape Architecture includes residential design, campus design, public parks and recreational path systems. She has been a visiting critic at Cornell University and is the recipient of a 2005 grant from the Cornell Council on the Arts for her public art work, “Yellow Raincoats”. Her work has been published in Rediscovering the Concrete Atlantis (University of Buffalo Press), Landscape Architecture Journal (India) and the Journal of Green Building. Her paintings can be found at catherinecallahan-painter.com.

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Bret LeBleu is a landscape architect who has a hard time keeping his hands out of the dirt. After graduating with his masters from Cornell University, he practiced landscape architecture in various firms for almost 10 years. In 2011, he co-founded Callahan + LeBleu LLC. Now, on site for every project, he lovingly creates the landscapes they design. His experience runs broadly: higher education and medical campuses, commercial design, public parks and libraries, large and small residential design.