Steve Vassallo is an incredibly capable designer/ leader with a head for business and tech.  

His recent book, The Way to Design, takes a hard look at what it takes for designers to get to the next level in terms of founding and scaling their companies. 

I won't attempt to summarize key points here. Definitely read it. 

I will however leave you with this quote, which is probably my favorite:

"Realize that if you want to build something greater than yourself, you need to first get over yourself and learn to scale your design through hiring, storytelling, and building culture and processes."

Marc