He said the company is in "good discussions" with a Chinese auto maker but declined to name the potential partner, according to the report.
A joint venture could boost the Jaguar and Land Rover brands in China, now the world's biggest auto market after displacing the US last year.
"We're not as strong as we should be [in many markets], most notably in China," the WSJ quoted Forster as saying at an industry forum in Shanghai.
Jaguar Land Rover, owned by Tata Motors, is in talks with a Chinese auto maker to establish a manufacturing and sales joint venture in China, the Wall Street Journal reported.
Tata Motors' Chief Executive Carl-Peter Forster, said at an auto conference at the weekened that Jaguar Land Rover wants to find a partner in China "as soon as possible" to manufacture and market vehicles, the WSJ reported.