Question: who is the most successful entrepreneur on shark tank?
Answer: A sponge company has far and away become the biggest "Shark Tank" success story. Over the past three years, Scrub Daddy has brought in a total of $75 million in revenue, according to investor Lori Greiner. Greiner made a deal with its founder and CEO, Aaron Krause, in Season 4 for $200,000 in exchange for 20% equity.