Cutting the mustard: Ex-Heinz CEO off to PE shop By: CNBC.com News July 02, 2014 at 15:37 PM EDT William Johnson, the former chairman, CEO and president of Heinz, is joining buyout shop Advent as a consultant. Read More >> Related Stocks: Berkshire Hathaway Clorox Co Emerson Electric Hess Corp PNC Financial Services Twitter, Inc. United Parcel Service