While "kindness" is subjective, in 2026, MacKenzie Scott is widely regarded as the world's most proactive and "kindest" billionaire due to her record-breaking, unrestricted philanthropy. Unlike many billionaires who establish slow-moving foundations, Scott has donated over $26 billion in just seven years, with a record $7.2 billion given in 2025 alone. Her approach is unique because she provides "no-strings-attached" grants to smaller, grassroots non-profits, trusting them to use the funds where they are needed most. Other notable "kind" billionaires include Warren Buffett, who has pledged 99% of his fortune to the Bill & Melinda Gates Foundation, and Patagonia founder Yvon Chouinard, who famously "gave away" his entire company to a trust dedicated to fighting climate change. Scott's speed and humility, however, have set a new global benchmark for "radical" kindness in the financial elite.