Robert Herjavec is a prominent entrepreneur, investor, and television personality. He founded BRAK Systems, which he sold to AT&T Canada, and later established The Herjavec Group, a cybersecurity firm. He is widely recognized for his role as an investor on the television show Shark Tank in both the US and Australia. Herjavec has also authored several best-selling books and is actively involved in various investments through Herjavec Ventures. He is known for his expertise in cybersecurity and his motivational speaking.