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NunoSempere

Karma: 2,285

I am an independent research and programmer working at my own consultancy, Shapley Maximizers ÖU. I like to spend my time acquiring deeper models of the world, and generally becoming more formidable. I’m also a fairly good forecaster: I started out on predicting on Good Judgment Open and CSET-Foretell, but now do most of my forecasting through Samotsvety, of which Scott Alexander writes:

Enter Samotsvety Forecasts. This is a team of some of the best superforecasters in the world. They won the CSET-Foretell forecasting competition by an absolutely obscene margin, “around twice as good as the next-best team in terms of the relative Brier score”. If the point of forecasting tournaments is to figure out who you can trust, the science has spoken, and the answer is “these guys”.


I used to post prolifically on the EA Forum, but nowadays, I post my research and thoughts at nunosempere.com /​ nunosempere.com/​blog rather than on this forum, because:

But a good fraction of my past research is still available here on the EA Forum. I’m particularly fond of my series on Estimating Value. And I haven’t left the forum entirely: I remain subscribed to its RSS, and generally tend to at least skim all interesting posts.


I used to do research around longtermism, forecasting and quantification, as well as some programming, at the Quantified Uncertainty Research Institute (QURI). At QURI, I programmed Metaforecast.org, a search tool which aggregates predictions from many different platforms, which I still maintain. I spent some time in the Bahamas as part of the FTX EA Fellowship. Previously, I was a Future of Humanity Institute 2020 Summer Research Fellow, and then worked on a grant from the Long Term Future Fund to do “independent research on forecasting and optimal paths to improve the long-term.” I used to write a Forecasting Newsletter which gathered a few thousand subscribers, but I stopped as the value of my time rose. I also generally enjoy winning bets against people too confident in their beliefs.

Before that, I studied Maths and Philosophy, dropped out in exasperation at the inefficiency, picked up some development economics; helped implement the European Summer Program on Rationality during 2017, 2018 2019, 2020 and 2022; worked as a contractor for various forecasting and programming projects; volunteered for various Effective Altruism organizations, and carried out many independent research projects. In a past life, I also wrote a popular Spanish literature blog, and remain keenly interested in Spanish poetry.


You can share feedback anonymously with me here.

The hunt of the Iuventa

NunoSempere10 Mar 2018 20:12 UTC
8 points
0 comments1 min readLW link

[Question] What do you do when you find out you have in­con­sis­tent prob­a­bil­ities?

NunoSempere31 Dec 2018 18:13 UTC
15 points
7 comments1 min readLW link

Some ex­am­ples of tech­nol­ogy timelines

NunoSempere27 Mar 2020 18:13 UTC
24 points
0 comments16 min readLW link

[Question] What are the rel­a­tive speeds of AI ca­pa­bil­ities and AI safety?

NunoSempere24 Apr 2020 18:21 UTC
8 points
2 comments1 min readLW link

Fore­cast­ing Newslet­ter: April 2020

NunoSempere30 Apr 2020 16:41 UTC
22 points
3 comments6 min readLW link

Fore­cast­ing Newslet­ter: May 2020.

NunoSempere31 May 2020 12:35 UTC
9 points
1 comment20 min readLW link

Fore­cast­ing Newslet­ter. June 2020.

NunoSempere1 Jul 2020 9:46 UTC
27 points
0 comments8 min readLW link

Fore­cast­ing Newslet­ter: July 2020.

NunoSempere1 Aug 2020 17:08 UTC
21 points
4 comments22 min readLW link

Fore­cast­ing Newslet­ter: Au­gust 2020.

NunoSempere1 Sep 2020 11:38 UTC
16 points
1 comment6 min readLW link

Fore­cast­ing Newslet­ter: Septem­ber 2020.

NunoSempere1 Oct 2020 11:00 UTC
21 points
3 comments11 min readLW link

AI race con­sid­er­a­tions in a re­port by the U.S. House Com­mit­tee on Armed Services

NunoSempere4 Oct 2020 12:11 UTC
42 points
4 comments13 min readLW link

A prior for tech­nolog­i­cal discontinuities

NunoSempere13 Oct 2020 16:51 UTC
71 points
17 comments6 min readLW link

Ad­just­ing prob­a­bil­ities for the pas­sage of time, us­ing Squiggle

NunoSempere23 Oct 2020 18:55 UTC
19 points
2 comments3 min readLW link

Fore­cast­ing Newslet­ter: Oc­to­ber 2020.

NunoSempere1 Nov 2020 13:09 UTC
11 points
0 comments4 min readLW link

In­cen­tive Prob­lems With Cur­rent Fore­cast­ing Com­pe­ti­tions.

9 Nov 2020 16:20 UTC
44 points
21 comments5 min readLW link

Fore­cast­ing Newslet­ter: Novem­ber 2020

NunoSempere1 Dec 2020 17:00 UTC
29 points
5 comments12 min readLW link

Real-Life Ex­am­ples of Pre­dic­tion Sys­tems In­terfer­ing with the Real World (Pre­dict-O-Matic Prob­lems)

NunoSempere3 Dec 2020 22:00 UTC
126 points
28 comments9 min readLW link

Fore­cast­ing Newslet­ter: De­cem­ber 2020

NunoSempere1 Jan 2021 16:07 UTC
13 points
0 comments10 min readLW link

2020: Fore­cast­ing in Re­view.

NunoSempere10 Jan 2021 16:06 UTC
28 points
0 comments10 min readLW link

Fore­cast­ing Newslet­ter: Jan­uary 2021

NunoSempere1 Feb 2021 23:07 UTC
20 points
2 comments7 min readLW link