Bill Gates and Warren Buffet public pledge
Kiwi behind Bill Gates' Giving Pledge to speak at first Fantail symposium | Last updated 16:14 21/08/2015 TAO LIN 1 Bill Gates and Warren Buffet have given most of their wealth to the Giving Pledge and encourage fellow billionaires to do the same. RICK WILKING Billionaires Bill Gates and his wife, Melinda and Warren Buffett are the face of the Giving Pledge campaign which encourages the world's richest people to give at least half their money to good causes. Kiwi woman Alex Mercer worked closely with the Gates behind the scenes to help launch the pledge. Mercer worked for Microsoft as a spokeswoman for several years before being shoulder-tapped to work on the Giving Pledge. Now back in New Zealand, Mercer is a consultant and founder of women-focused angel investor ArcAngels. She will speak about her experiences at the first Fantail Network Wisdom Symposium on Saturday at the ASB Cube in Auckland. Mercer said coming back to New Zealand sent h