Meet Hali Gallerno, the owner and Interior Designer at Black Mountain Design Group! Located at 660 Dundas Street, this is a one-stop shop for all things interior design. The husband and wife combo have been in the business of renovation and interior design for more than 20 years, but their retail space has been open in Old East Village for three years. “My husband takes care of the renovation side of our company, and then I'm the interior designer, so I do all the design work