piotr sapieżyński
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2019-01-30

I presented our work on political ads during the RUMP session at FAT* in Barcelona.

2019-12-14

ProPublica did an incredible job with their article that describes our new technical report, but also extends the experiments and presents the work in a much richer context than I could wish for. Thank you!

2019-12-11

We released some of the data from the Copenhagen Networks Study, find it here.

2019-12-10

Our new technical report "Ad Delivery Algorithms: The Hidden Arbiters of Political Messaging" is now out and the Washington Post coverage is making rounds on Twitter!

2019-11-11

Our paper "Discrimination through optimization: How Facebook's ad delivery can lead to biased outcomes" won the Diversity and Inclusion Award as well as an Honorable Mention at CSCW 2019.

2019-11-01

I'm now an Associate Research Scientist at Northeastern.