MacKenzie Scott gives $70 million to UNCF to financially strengthen HBCUsBillionaire author and philanthropist MacKenzie Scott acknowledged another $2 billion in donations in a blog post on Wednesday, bringing the total she's given away since 2019 to $19.2 billion. Billionaire author and philanthropist MacKenzie Scott acknowledged another $2 billion in donations in a blog post on Wednesday, bringing the total she's given away since 2019 to $19.2 billion. Billionaire author and philanthropist MacKenzie Scott acknowledged another $2 billion in donations in a blog post on Wednesday, bringing the total she's given away since 2019 to $19.2 billion. NEW YORK -- Billionaire philanthropist MacKenzie Scott has donated $70 million to the UNCF, as the nation's largest private provider of scholarships to minority students works to raise $1 billion to strengthen all 37 of its historically Black colleges and universities. "We are deeply grateful for MacKenzie Scott's continued support," Lomax said.