Mark Stallings, 22, is the CEO of Casely, a fashion tech accessories company that offers the world’s only phone case subscription service. Mark grew up in Cary, NC and went to college at UNC Wilmington before dropping out to run his burgeoning e-commerce business. Mark founded Casely with his sister, Emily, and the siblings have grown the business to $14-million in revenue in two years. Mark and Emily run the business with Mark’s significant other, Christy. The three now live in Brooklyn, NY.