The inspiring rags to riches career of Shark Tank judge and internet security guru, Robert Herjavec

Robert Herjavec is best known as one of the five sharks on ABC's Shark Tank. But he has quite a back story.

Not only is he a millionaire thanks to some successful companies he's founded, he also maintains a fun social life with truly interesting hobbies.

Here are all the trials and tribulations that made him the brilliant and successful shark he is today.