She is also said to be in the process of gaining security clearance, which would allow her to access classified information.
Now that she will be a part of the team, Ivanka says that she will voluntarily adhere to the same rules that would apply if she were a government employee. Ivanka's attorney Jamie Gorelick told Politico on Monday that Ivanka will serve as her dad's "eyes and ears", and advise him on a broad range of issues, as had been previously speculated.
The president's daughter is playing an increasingly prominent role as one of his advisers, but is not an official government employee.
Ivanka Trump may have publicly disassociated herself from her clothing and accessories label by announcing a formal leave of absence in January - but some retailers feel the label is still profiting from her name and influence.
Her husband, Jared Kushner is employed by the President as a senior advisor. Ivanka won't be working as an official government employee, but she will be acting in an unofficial capacity as an adviser to the president.
Ivanka has stepped down from her executive role at the Trump Organization, her father's company, but still has business interests, including her fashion and jewellery brand.
Elena Vesnina and Svetlana Kuznetsova to face off in Indian Wells final
Vesnina, seeded No. 14 here, had trailed No. 8-seeded Kuznetsova , 1-4, in the second set before she won four straight games. I felt like I was just giving all I had in me there, and that's what I work for, you know, the moments that really matter".
It's yet more uncharted ethical ground for an administration already wracked with conflicts-of-interest concerns.
Department store Nordstrom controversially dropped Ms Trump's brand following calls from anti-Donald Trump protesters to boycott the label - but it denied the move was political, saying it was purely down to poor brand performance.
When Kushner came into the White House job, he turned over his role in his family's real estate empire to family members, who continue to own the business.
The 35-year-old Trump is her father's second child.
"Imagine if Hillary Clinton met with German Chancellor Angela Merkel and Chelsea Clinton was seated next to her for official meeting".
The White House did not return a BuzzFeed News request for comment. But former Barack Obama administration ethics counsel Norm Eisen told Politico that "the better thing to do would be to concede she is subject to the rules".