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8 hours ago · As of April 2023, Griffin had an estimated net worth of $35 billion, making him the 38th-richest person in the world. He was ranked 21st on the 2022 Forbes 400 list of richest Americans. [4] He was included in Forbes 's 2023 list of the United States' Most Generous Givers, according to which he has donated $1.56 billion to various charitable ...