 Driehaus has given widely both individually and through the Richard H. Driehaus Foundation and the Richard H. Driehaus Charitable Trust.He has contributed a total $92 million in today's dollars since 1984; his foundation intends to continue to distribute a minimum of $4 million a year.He has said that his original plan was to give away only $100 million during his lifetime, but believes that he will end up parting with more than twice that amount.