Donald Trump inauguration: President-elect Donald Trump is set to return to the White House on January 20, when he officially becomes the 47th president of the United States. As the country prepares for this historic transition, a number of prominent figures, including key leaders from the tech industry, are set to attend his inauguration. Among those confirmed to be attending are Google CEO Sundar Pichai, Meta CEO Mark Zuckerberg, and other influential tech executives.