Louis Castricato
Summary
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RockstarLouis Castricato is an AI research and product leader with 11 years of experience building and directing RLHF/RLAIF, chatbot, and code-model efforts across open-source and commercial teams. As co-founder and CEO of Overworld and a founder of Synth Labs and CarperAI, he has repeatedly translated research-grade preference learning and large-scale annotation programs into operational initiatives. His background includes research roles at EleutherAI and Stability AI where he led RLHF work, and academic stints focused on human evaluations for storytelling and contrastive critic models. Comfortable spanning research, engineering, and program leadership, he has a track record of coordinating large annotation efforts and collaborations with organizations like Hugging Face. Based in Providence, RI, he combines deep technical roots in pure math and computational narratology with hands-on product building. Notably, his career shows a pattern of founding and scaling community-led RLHF projects into industry-facing capabilities.
11 years of coding experience
Github Skills (80)
transformers10
language-model10
python10
deep-learning10
gemma10
glm10
distributed-training10
multimodal10
audio10
transformer10
gpt10
nlp10
llama10
reinforcement-learning10
amd10
Programming languages (6)
Github contributions (5)
LouisCastricato/WeirdSparsity
Jul 2020 - Jul 2020
Contributions:120 commits, 118 pushes, 1 branch in 1 day
EleutherAI/visual-grounding
Mar 2021 - May 2021
Visually ground GPT-Neo 1.3b and 2.7b
Contributions:11 reviews, 29 commits, 57 PRs in 1 month
gpt
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