Sallie Krawcheck

I read research like other people read sports magazines or fashion magazines.

Leadership is a lot of hard work. I hoped, when I was younger, that I would just be a natural leader or that it was something that was innate, but it is really a learned skill.

The Ellevest target client is the professional woman who either has her own money or has agency over her family's money. She is among the 75 million women in the U.S. workforce who want to take financial control and is looking for a straightforward way to achieve her dreams on her own terms.

One thing I never thought about in my big-company job? Cash flow. When your business has billions of dollars in revenue, you can make a lot of mistakes and still have a viable business. But in a startup, make a few hiring mistakes, and you can find yourself in real jeopardy fast.

Networking has been cited as the number one unwritten rule of success in business. Who you know really impacts what you know.