Wernick began trading options and futures while attending the University of Chicago. He worked at Salomon Brothers before becoming the youngest senior officer at The National Bank of Detroit. Jeffrey later founded AVI Portfolio Services Company, Inc. which he sold in 1984 to the largest insurance company in diversified financial interests. Today, Mr. Wernick is an independent investor whose portfolio includes early holdings in Uber, Airbnb and bitcoin. Jeffrey started mining bitcoin in 2009, the year it was created.