Shark Tank

"You don't sound like the bozo I thought you were"

After a rocky start to his pitch, the sharks are shocked to find that the inventor of the First Defense Nasal Screeners is actually quite the prepared business man.

Tuesdays have more bite with back-to-back episodes of "Shark Tank" on CNBC every Tuesday night.

Shark Tank

Meet the Sharks

  • Mark is the highly successful entrepreneur and investor who founded HDNet, and MicroSolutions.

  • Barbara Corcoran parlayed a $1,000 loan into a five-billion-dollar real estate business.

  • Lori Greiner started with one idea and turned it into a multi-million dollar international brand.