Jamieson Greer has been nominated by Donald Trump for the post of US trade commissioner in the next administration

US President-elect Donald Trump tapped lawyer Jamieson Greer on Tuesday to serve as US trade representative, a choice that will play an important role in the Republican agenda to reform the international trade environment through tariffs.

“Jamieson played a major role during my first term in imposing tariffs on China and others to combat unfair trade practices, and to replace the failed NAFTA agreement with the USMCA, making it much better for American workers,” Trump said in a statement.

Greer, an attorney who has practiced international trade law, served as chief of staff to USTR Robert Lighthizer during the Trump administration.

Trump said Greer’s efforts under Lighthizer helped reverse decades of “disastrous trade policies.”

His focus, if confirmed by the US Senate, will include tightening the trade deficit and opening up “export markets everywhere,” Trump said.

Trump has already announced Howard Lutnick as his choice for commerce secretary. Lutnick will have “direct responsibility” for the Office of the US Trade Representative, he said last week.

Bloomberg News reported earlier Tuesday that Trump would nominate Greer for trade representative.

Trump, 78, returns to the Oval Office in January after spending four years without power. He is the second US president to win the White House in consecutive terms.