WASHINGTON — President-elect Donald Trump is expected to nominate a key transition adviser and billionaire financial services executive, Howard Lutnick, to lead the Commerce Department, according to two sources familiar with the process. The Cantor Fitzgerald CEO has led and been the public face of Trump’s transition.

Howard Lutnick, the Cantor Fitzgerald CEO who’s been tapped to run the US Commerce Department, has in recent years become a prominent cheerleader for Tether, the company behind one of the world’s biggest crypto assets.

President-elect Donald Trump will name Howard Lutnick, the co-chair of his transition team, to the post of commerce secretary, a source familiar with the matter told The Post Tuesday.