Turkey needed something that could work in the space between angel, private equity, and venture capital.

FORBES: Startup financing? One Turk Gets Angel Heavy: Startup Turkey Takeaway #3

That is a conversation that needs to be had in the VC, Angel and Private Equity worlds.

FORBES: Note to Sandberg: Women Entrepreneurs "March In"

Angel investors typically receive equity stakes ranging anywhere from 20% to 60%, depending on the size of their investment, says Andrew Zacharakis, a professor of entrepreneurship at Babson College in Wellesley, Mass.

WSJ: Angel Investors Can Help Fund Your Next Step