Walmart unit Jet.com taps Tesco veteran Simon Belsham as president By: CNBC.com News March 26, 2018 at 09:10 AM EDT Belsham, who worked at U.K.-based Tesco and Ocado, will try to expand Jet.com's online grocery business. Read More >> Related Stocks: Amazon.com Kroger Co Target Corp Wal-Mart Stores, Inc.