Steven Mnuchin, who served as treasury secretary during the Trump administration, said that he would be trying to put together a group to buy TikTok. The House of Representatives passed a bill that could ban the social media app if it did not divest from its China-based parent company ByteDance.us polictics news Steven Mnuchin, who served as treasury secretary during the Trump administration, said that he would be trying to put together a group to buy TikTok. The House of Representatives passed a bill that could ban the social media app if it did not divest from its China-based parent company ByteDance.