I am a software engineer living in San Francisco, working at Anthropic. I am a member of the board of directors of 1Day Sooner. I also do Brazilian jiu jitsu. I was previously an engineer at OpenAI, a co-founder of Empirical Systems, and a volunteer software engineer at GiveDirectly.
I'm on the arXiv and the Mathematics Genealogy Project. I'm @madeleineth on GitHub. I can be reached at contact@mdln.net. I am not on social media.
I wrote the Bosworth–Toller/Charles Anglo-Saxon (Old English) Dictionary Android app. Its source code is here.