That trend continued this week when Serbian President Alexander Vucic said Musk participated in his first call with Trump after his victory.

“President Trump knows Serbia very well, and Elon Musk, who was with him, as well as (Newsmax CEO) Chris Ruddy, also knows it particularly well, maybe even the best,” Vucic told Serbian media .

Musk’s participation in such high-level talks is the latest sign of the high-profile position he is likely to occupy in the next Trump administration, despite his relatively new appearance on the political scene.

According to several sources speak with ABC News, Musk has spent almost every day at Mar-a-Lago since Trump’s election. They added that Musk weighs heavily on Trump’s personnel choices for his next administration, although Musk’s preferences for Cabinet picks are also unknown.

Musk helped boost Sen. Rick Scott (R-FL) for Senate leader, who Trump’s allies are now backing against Sens. John Thune (R-SD) and John Cornyn (R-TX). He ordered an impromptu poll on X, which showed Scott as the clear winner.

Musk is also close to Howard Lutnick, who is leading Trump’s transition efforts. According to Lutnick, he was the first to propose the Department of Government Effectiveness, an idea that Musk has talked about at length since.

Lutnick introduced himself, Trump and Musk as a trio.

“Me, Elon Musk and Trump are going to find out,” Lutnick said of the U.S. economic situation. conversation with entrepreneur Anthony Pompliano shortly before the elections.

Besides calls with Zelensky and Vucic, Musk also participated in a call with Turkish President Recep Tayyip Erdogan, according to the outlet. The South African billionaire is also expected to attend a meeting between Trump and Argentine President Javier Milei later this week.

Musk also played an important foreign policy role in the Biden administration. Despite his skepticism about aid to Ukraine, Musk’s Starlink saved by himself The Ukrainian communications network after its destruction in the first days of the Russian invasion.

Trump and Musk have also become close personally. Trump’s granddaughter, Kai Trump, posted a photo of her and the billionaire on a golf course on Monday, saying he was “reaching uncle status.”