Elon Musk reportedly joined Trump's calls with the leaders of Ukraine and Turkey.Jabin Botsford/The Washington Post via Getty ImagesElon Musk reportedly joined Trump's calls with two world leaders, including Volodymyr Zelenskyy.It's an early indicator of just how close Musk has become to the incoming president.Musk worked hard to elect Trump and is likely to have influence in the administration as a result.Elon Musk joined President-elect Donald Trump's calls with both Ukrainian President Volodymyr Zelenskyy and Turkish President Recep Tayyip Erdogan this week, according to several reports.The New York Times reported Friday that Trump handed the phone to Musk during a phone call with Zelenskyy on Wednesday, when both men were at Mar-a-Lago.