Mr. Sean Black is a Co-Founder of Knock and serves as Chief Executive Officer. He was an Advisor of Correlation Ventures and SeatGeek. He also serves as Board of Advisors at Opticlose. He is the Investor and Advisor of Peach. He founded and served as Chief Executive Officer at SalesCrunch. Prior to this, he co-founded and served as VP, Sales at Trulia, where he was part of the founding team that built Trulia into what is now the second largest consumer real estate site in the US. Prior to Trulia, he served as Vice President, Sales at The Corcoran Group, the large real estate firm in New York. In 2000, he founded online auto insurance portal Everymile.com while in business school. In 1999, he sold his first business Europro, a $3.5M nutrition supplement company in Europe. Between 1997 and 1999, he developed new business and investment opportunities for the Franciscans at the Vatican in Rome. He received his MBA with a concentration in Entrepreneurship from Babson College. His business plan for Everymile was one of five out of 20 to be awarded office space in the Babson business hatchery. He received his Bachelors in Business from The Pennsylvania State University.