Nick Sturiale, a managing director with the Carlyle Group's venture and growth equity unit, tells Vator.tv's John Shinal that entrepreneurs should be "very concerned" right now about having enough money to fund their business until it can get to cash-flow positive status.

Recent figures from the National Venture Capital Association showed that no venture-backed startups had IPOs in the second quarter. Fred Wilson's post from yesterday talked about the debate that's touched off about the future of the VC industry.

Given the turmoil in the public stock markets, the lack of exit options is likely to continue for a while, says Sturiale, who earlier gave us his thoughts on cloud computing.

"This is still going to be a tough environment for the next couple of years," said Sturiale,