Starting something or perfecting something?
Brainstorming or executing?
Supporting the star or being the star?
Serving people or leading people?
Closing down old systems or maintaining old systems?
Doing something totally new every six months or keeping something running for years?
One reason I love my job is that I keep getting the chance to work in the intersection of a) where I'm most effective and b) where I get the most energy.
I'm a small business and startup guy. Even as my company grows and grows, I keep getting the chance to help start new things.