A ship in harbor is safe, but it's not built for that
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Billetz, 28, is the founder and CEO of Frameri, a startup based in Cincinnati that manufactures stylish glasses with interchangeable lenses. He is on a mission to prove that there's room for another startup where Warby Parker sits. Frameri is set to open its first retail store in 2016.
Best advice: "One quote by John A. Shedd has always stayed with me, 'A ship in harbor is safe, but that is not what ships are built for.' Whenever I start to feel comfortable, it reminds me to shake it up."