Hi, Sam. Big fan of YC itself, the blog, and your tweets. How long, or to what sort of benchmarks, do you think a startup engineer should marinate in the star

Hi, Sam. Big fan of YC itself, the blog, and your tweets. How long, or to what sort of benchmarks, do you think a startup engineer should marinate in the startup scene before being taken seriously as a technical founder? And follow up: Do you give extra consideration to an application for founders that have been employees at another YC company prior?