Robert Herjavec reveals how ugly Christmas sweaters became his best 'Shark Tank' investment
April 29, 2019 at 15:27 PM EDT
Robert Herjavec might have made his money from cybersecurity, but the quirky investments he's made on "Shark Tank" have paid off, too. Of all the companies and products he's invested in since the start of the show, Herjavec says ugly sweater company Tipsy Elves has been his most successful.