ac know ledg ments
For de cades I have been fascinated with fi nancial ignorance. It started with
my own, and only gradually expanded to embrace others’. Fortunately some
knowledgeable people hired me anyway. I thank Larry Brainard, Andrew
Ipkendanz, and Mike Novogratz for providing window seats on the world.
Among theorists, I am considered a practitioner. Among practitioners
I am considered a theoretician. Th ese terms are partly insults in each of
the circles they’re used in. I apologize for having deserved them. Tom Bar-
ket, Aaron Brown, Paul Glasserman, Tilmann Gneiting, Henry Milligan,
Deborah Pastor, Ken Posner, Stefan Reichelstein, Paul Wilmott, David Wilson,
and Gary Witt have in various ways encouraged me to persevere.
Most writers credit their families for tolerating their preoccupation.
My family credits my preoccupation for keeping me out of their hair. Still,
I draw a lot of inspiration from watching my children Ian, Valerie, Alexan-
der, and Eric grow up with such sparkle and motivation. My wife Annette
off ered numerous helpful criticisms and encouraged me to redo without de-
spair. I also appreciate the friendship of my former wife, Jan, and the support
of my parents, Richard and Shirley.
Th Iceberg Risk, but that is book was originally intended to be Part 3 of
book grew too long and my window for writing too short. In hindsight
the ideas needed longer gestation. Paul Wilmott and editor Dan Tudball