I co-run Arb Research, a research consultancy. For our past work, see: https://arbresearch.com/work/.
I co-run Samotsvety Forecasting. We are pretty good at darts: https://samotsvety.org/track-record/.
I co-founded and adivce Sage, a research non-profit focused on epistemics. We previously built https://www.quantifiedintuitions.org/{pastcasting,calibration}/.
Online stuff: