He left Mozilla in April 2015, and started Acadine Technologies, initially under the name "Gone Fishing". It was announced on July 15, 2015 that Acadine Technologies received $100M of first-round funding from Tsinghua Unigroup International, a Hong Kong entity controlled by Tsinghua University and the Chinese government. In the same year, Li Gong stated that the company was already seeking a second round of funding from international investors, a main rationale being "to dispel very early the incorrect perception that we are somehow a China-backed company. We are really a pure Silicon Valley-style startup".