
Founded the firm and leads its research. Every model the firm deploys was specified, coded and tested by him before it was handed to anyone else, and he remains the firm's principal quantitative researcher rather than a manager who delegates it.
He sets direction and owns what the firm builds. He does not set the risk limits those models run under.
- OwnsResearch, model development, firm direction
- CannotRaise an exposure limit without the Chief Risk Officer

