According to this insightful post on Harvard Business Publishing, at least three important traits of entreprneurs can begin to work against them when the business needs to scale: Persistance, Control and Loyalty.

The author, Anthony Tan, starts by suggesting the basic DNA of an entrepreneur is a mix of smarts, guts and luck.  From there he dives into the three characteristics listed above with a good analysis of how they can be both a strength and a weakness.  In short, as your company grows, be sure that

• Your Perseverance doesn’t become stubborness
• Your Control doesn’t become an inability to delegate
• Your Loyalty doesn’t cloud your business judgement