The following are some key investments and their connections to Chinese state entities Lip-Bu Tan has made through Walden International.

President Donald Trump called for the Chief Executive Officer of the Intel technology company to step down Thursday, without stating precisely why.

Trump's post comes after Republican Senator Tom Cotton on Wednesday wrote to Intel's board of directors, asking about Tan's ties to China, his investments in the country, and raised concerns about his time leading Cadence Design Systems,