Redpoint Ventures, said late Monday evening that the firm has closed on Redpoint IV,a $400M, early stage venture capital fund specifically aimed at the social and mobile Internet, cloud computing, and clean technology. The firm highlighted its recent exits of LifeSize, WiChorus, Kazeon, and Irvine's Network in Motion in the announcement. The firm said it now has over $2B in management. Redpoint's efforts in Southern California are headed by Brad Jones. Redpoint is based in Menlo Park with offices in Los Angeles.