As both developed and developing nations search for alternative sources of energy in response to the growing energy crisis, we at Acumen Fund believe that investing in entrepreneurs who provide innovative energy solutions is an increasingly critical part of the solution.

Even when early innovations start to succeed, it is not uncommon to see growing businesses sabotaged for threatening the status quo.

Impact investing has become a broad umbrella that includes all investing with a focus on both financial return and social impact, but in its best form, impact investing prioritizes impact over returns and achieves outcomes that traditional investing cannot.

I think we so often equate leadership with being experts - the leader is supposed to come in and fix things. But in this interconnected world we live in now, it's almost impossible for just one person to do that.

I climbed nine mountains because I love adventure, and I got addicted to that feeling and I never wanted to stop. I wanted to see what I could accomplish. I finally can say that I stood on top of the world.

I travel often, so my routine is always getting scrambled. But on a standard sort of day, I get up at 6, pack lunches, hustle the kids off to school, then brew a pot of coffee and head downstairs to the dungeon, as I call it: my cobwebby office in the basement.

I can create countries just as I can create the actions of my characters. That is why a lot of travel seems to me a waste of time.

If there is life out there that's so much more advanced than we are, and they know either how to travel great distances in short amounts of time, or they're able to come from a parallel universe into ours, why don't they just come and show themselves?