Cosmin Costin, founder of Retina Web Agency, has been developing websites and internet applications for the coaching industry since 2006. He has more than 20 years of experience on the web and is skilled in project management, programming, SEO, and affiliate marketing. While running his own internet ventures with ROI of over 1000 percent, Cosmin also develops web applications with tens of thousands of users and millions of records per day for businesses ranging from startups to Fortune 100 companies. Cosmin is one of Michael Port's most trusted collaborators; they've been working together for over 20 years, ever since Michael found Cosmin on a site for freelancers and hired him to build a one-page website.