Mackenzie Scott has just donated $2.7 billion to various U.S organizations.

The ex-wife of Amazon founder Jeff Bezos announced the news of her donations in a Medium blog post this week.

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Her round of donations now total to $2.7 billion and will be split between 286 organizations in the U.S.

In her post, Scott explains her choice and size of donations as being a "signal of trust and encouragement to them and to others."

She also made clear that the organizations receiving donations were selected following a "rigorous process of research and analysis."

"Would they still benefit from more (more advocates, more money, more volunteers)? Yes. Like those we shared in July and December of 2020, these 286 teams were selected through a rigorous process of research and analysis," she wrote.

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"These are people who have spent years successfully advancing humanitarian aims, often without knowing whether there will be any money in their bank accounts in two months," she explained.

"What do we think they might do with more cash on hand than they expected? Buy needed supplies. Find new creative ways to help. Hire a few extra team members they know they can pay for the next five years. Buy chairs for them. Stop having to work every weekend. Get some sleep."

She finished her post explaining she wants the organizations to use the money how they wish as she "believe that teams with experience on the front lines of challenges will know best how to put the money to good use."

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"People have been doing it in living rooms and classrooms and workplaces for thousands of years. It empowers receivers by making them feel valued and by unlocking their best solutions. Generosity is generative. Sharing makes more."

Scott then listed her various organizations receiving donations, which include: Alvin Ailey American Dance Theater, the Children's Defense Fund, Donors Choose, Jazz at Lincoln Center, African Leadership Group and California State University, Fullerton.

This will be Scotts third round of large donations.

You can read her full post here.