Holidays and Traditions How many PHDS does Greg Smith have? How many PHDS does Greg Smith have? three Ph.D.s Is Greg Smith married? Taylor McKaysusituokė 2018 m. Where does Greg Smith work? As for his career, Smith is now a postdoctoral researcher at Mount Sinai where he studies stochastic gene expression. Simply put, he says his goal is to "build better drugs." "So in your lifetime, will we cure cancer?" Oprah asks.2016-06-06 Related Posts:Which cancers are now curable?How old is Greg Smith genius?What happened to Greg Smith genius?What happens when APC is mutated?