Conversation so far:
What was Justin Timberlake's first business venture?
Chi.
What was "Chi" about?
Timberlake has co-owned or provided celebrity endorsement for three restaurants in the United States: "Chi" opened in West Hollywood, California in 2003.
What other business ventures does he own?
in 2007 Timberlake purchased the run-down Big Creek Golf Course in his home town of Millington.
Does Timberlake also invest in movies?
ownership.
what is timberlakes most lucrative business venture?
In 2014, Timberlake partnered with Sauza Liquors to re-launch his own version of the beverage as part of the Sauza franchise: Sauza 901.
How much was the venture worth?
CANNOTANSWER.

Question: Who else has he partnered with?
Self-contained rewrite: Who else has Justin Timberlake partnered with other than Sauza Liquors?