Entrepreneur

creator/founder of a new business entity (Start Up), probably initially a SmallCo

when you create new areas of business for an existing BigCo, you're often called an Intrapren Eur. If you're lucky it's run like a SkunkWorks.

Hacker

probably need a Merchant mentality

• http://blog.redfin.com/blog/2010/08/merchant_sensibility.html