Here's a look behind the curtain of what entrepreneurs go through when pitching their bright ideas on 'Shark Tank.'
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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.