Julia Koch and her family have made a historic donation of one billion dollars to a variety of charitable causes. The donation is one of the largest single donations ever made by an individual or family and will be used to support a range of philanthropic initiatives, including medical research
From Wikipedia
Julia Margaret Flesher Koch is an American socialite and philanthropist who is one of the richest women in the world. As of May 2025, her fortune was over $74.2 billion. She inherited her fortune from her husband, David Koch, who died in 2019.