Shark Tank fans know by now that Robert Herjavec is a hands-on investor, but some might be surprised to know that he's just as hands-on, if not more, when it comes to his 5-year-old twins.

Robert Herjavec was born on September 14 ... The same year he found BRAK Systems he married Diane Plese. They have three children together — two daughters and a son. Over the years Herjavec ...