Jon Callaghan is a founder and managing partner of True Ventures, an industry-leading venture capital firm that invests in early-stage technology firms. We’re thrilled to announce that Callaghan wil
<img src="https://techcrunch.com/wp-content/uploads/2009/07/5min.png" width="200" height="87" />Instructional video site <a href="http://www.5min.com/">5min</a>, based in NYC and Israel, has raised an