Altree was founded by Zev Mandelbaum, who is a third generation developer, with roots in the industry dating back to the 1950s through associations with Lanterra Developments and H&R. Zev is also a cofounder of Marlin Spring, which develops low-rise, mid-rise and mixed use projects in various locations across the GTA. Altree is a full-service development firm that challenges the status quo and creates significant value for customers and other stakeholders.