The entrepreneur: Tom Szaky The company: Founder, TerraCycle "What happens in the world that is outside of our control. Europe has been hammered by austerity, China may be slowing slowing down (we don't really know), Japan is now into its second lost decade. "What happens when China stops buying our debt? What about poor economic conditions around the globe that leave foreign markets unable to afford to buy our products? Domestically, housing is the most important concern and should get more focus."