We recently talked with Dropbox Pro user Janelle Sing, who has quite the career. She's head designer at Soludos, does artwork for Simon Miller jeans, and creates digital illustrations for an iPad app called Paper. Janelle is one busy designer, and this amount of work doesn't come without a few lessons learned along the way. Here are some of her tried-and-true methods to keeping everything organized as she juggles her bustling career.