Marvin (Marv) co-founded Restore the Earth Foundation following a successful career as a real estate development executive in the United States and Canada. He served as President and CEO of Bramalea Limited, a North American real estate development and management firm with more than $6 billion in assets.

During his real estate career he raised funds for and successfully executed more than $1 billion in land development projects. Previously he served as President and CEO of Cullen Center, Inc. in Houston, Texas, and as a senior executive at Crown Center Redevelopment Corporation, a subsidiary of Hallmark Cards. He has been chair of the board of Ainsworth Corporation, Remington Capital Investments, International Comfort Products Corporation, and Thompson Pipe & Steel Company. Prior to co-founding Restore the Earth Foundation, he launched Ecosystems Partners, LLC, an environmental conservation firm sourcing the best resources, contractors and practices for restoration projects.