40. Susan Alice Buffett

Net Worth: $3 billion*
Wealth Inherited From: Warren Buffett

Susan Alice Buffett, daughter of renowned investor Warren Buffett, holds a considerable fortune through her ownership of shares in her father’s esteemed investment firm, Berkshire Hathaway, which is the majority shareholder of several prominent businesses. The worth of these shares is estimated to be in the billions.

Buffet is also a benefactor. She administers the Sherwood Foundation which furnishes allowances that aid kids from lower-income households. The subsidies go to education social equity human services and other meritorious causes. She is also on the board of Girls Inc. and the Buffett Foundation as well as the Buffett Early Childhood Institute. She has particularly directed her concentration towards battling the AIDS crisis and aiding African advancement.