Here's a look behind the curtain of what entrepreneurs go through when pitching their bright ideas on 'Shark Tank.'
Mark is the highly successful entrepreneur and investor who founded HDNet, Broadcast.com 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.
Robert launched BRAK systems, which is now worth a reported $100 million dollars.
Known as the "Godfather of Urban Fashion," Daymond is regarded as one of the most sought-after branding experts.
As a self-proclaimed "Eco-preneur," Kevin looks hardest for investments that make money - and are environmentally friendly.
The business themed reality series features the sharks -- tough, self-made, multi-millionaire and billionaire tycoons – who give budding entrepreneurs the chance to make their dreams come true and potentially secure business deals that could make them millionaires.