Nuño Sempere

Asunción, Paraguay

Regrantor

Bio

Updated 05/21/26

Researcher, forecaster, and programmer based in Asunción, Paraguay, best known as a co-founder of Samotsvety. Which is one of the world's top superforecasting teams that won the CSET-Foretell competition by a substantial margin. He is co-founder and Head of Foresight at Sentinel, a nonprofit that publishes weekly early-warning briefs on global catastrophic risks by processing millions of news items and applying expert foresight. He previously worked at the Quantified Uncertainty Research Institute (QURI), where he built Metaforecast.org, an aggregator of prediction market data across platforms, and contributed to the Squiggle probabilistic programming language used for quantified uncertainty estimation. He runs Shapley Maximizers, an independent consultancy focused on estimation, evaluation, and impact auditing, and publishes a monthly forecasting newsletter with over 7,000 subscribers covering prediction markets and forecasting platforms. He has received funding from the Long-Term Future Fund for independent research on forecasting and optimal paths to improve the long-term future, and is active on the EA Forum, LessWrong, and the Alignment Forum under the handle NunoSempere.