The Washington Post has revealed the amounts contributed by 57 major donors who gave at least $100,000 to President Donald Trump’s White House ballroom project, with the world’s richest casino tycoon topping the list.

Dr. Miriam Adelson is the largest shareholder of Las Vegas Sands, with Forbes estimating her real-time net worth at $31.2 billion. Through the Adelson Family Foundation, Adelson contributed $25 million to Trump’s White House ballroom.

Adelson’s involvement in the White House expansion was first revealed a year ago this month, but the size of the check was only made public on Thursday (Oct. 15) through a document obtained by The Washington Post .

Adelson’s $25 million gift matches Apple and Nvidia, along with Dish Network co-founder and chairman Charles Ergen, as the largest ballroom backers.

In total, Trump has raised $328.5 million for the ballroom, which will span 90,000 square feet and be able to accommodate 650 seated guests.

Adelson and her late husband, Sheldon Adelson, the founder and longtime chairman and CEO of Sands, founded the Adelson Family Foundation in 2007 with the mission of strengthening the State of Israel and the Jewish people.

The Adelson family is the primary contributor, giving anywhere from $20 million to $100 million a year. The foundation’s largest beneficiary is Birthright Israel, an organization that seeks to “provide all young Jewish adults with opportunities for transformative and immersive shared experiences in Israel and a foundation for ongoing Jewish connection.”

The Adelsons have been among Trump’s political donors since 2016, contributing over $600 million to his three presidential campaigns .

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