David Su (the D in the TDF trio) split in 2008 to join Matrix Partners China as a managing partner.

FORBES: Sequoia Scores in China While Kleiner Fumbles

Other U.S. firms, such as Sequoia, Accel, Matrix and IDG, have separate or affiliated funds in China.

FORBES: GGV Capital, With $625 Million In New Funds, Targets China, U.S. Growth