Canadian internet entrepreneur Matt Mickiewicz has an estimated net worth of $100 million in 2012. He is best recognized as the founder of 99designs, Flippa, and SitePoint.

Matt Mickiewicz was born on June 27, 1983 in Krakow, Poland. At age 14,  he founded his first ever website, Webmaster-Resources.com. Eventually, Webmaster-Resources.com was renamed to SitePoint. At age 16, Matt Mickiewicz traveled to Melbourne, Australia, where he met Mark Harbottle, his future partner. In June 2009, the duo launched Flippa.com which eventually became the largest marketplace for selling and buying websites. In 2012, he co-founded the website known as the DeveloperAuction.com.

In 2011, he was named by INC and Forbes as one of 30 Under 30 Entrepreneur.