Robert Herjavec, a cybersecurity entrepreneur who sold his first company to AT&T for $30 million, became widely known as one of the original investors on “Shark Tank.” Born in Croatia and ...

Diane Plese is a Canadian optometrist widely recognised as Robert Herjavec's ex-wife. Discover details about her early life, career, marriage, and divorce.

Robert Herjavec, entrepreneur and an investor on ‘Shark Tank,’ was named executive director of global strategy at data management company Zetaris.© Heidi Gutman/ABC/Getty Images ...

Robert Herjavec’s exact net worth is unclear, but most sources agree he is worth at least $300 million, and some estimate his wealth as high as twice that at $600 million.

Robert and Kym Herjavec first met when they were paired together on season 20 of “Dancing With the Stars.” Their ballroom chemistry was palpable and the two got along swimmingly.