premise: The Demand Institute is a non-profit think tank that focuses on understanding how consumer demand is evolving around the world. The Demand Institute was founded in 2012 by Mark Leiter and Jonathan Spector, and is jointly operated by The Conference Board and Nielsen and is headquartered in New York City.
hypothesis: The Demand Institute was founded by two men.
reason: The statement did not give any information on the gender of the founders, but it's safe to assume that Mark and Jonathan are men's names.