Essays & notes
Writing
Occasional long-form pieces on quantitative finance, AI development, spirituality, and what forty years of building has taught me about uncertainty.
The Bill Gross Email
In 1997 I pioneered paid search results and got buried in hate mail. Then Bill Gross emailed me. I almost didn't know who he was.
Why I Build
Forty years of making tools. A few things I've learned about why I keep doing it — and what "building" actually means when the problems are this complex.