Lukasz is a deep learning researcher at OpenAI and was previously part of the Google Brain team. He recently worked on GPT4 and Codex models. Earlier he co-invented Transformers and other neural sequence models and co-authored the TensorFlow system.

Before working on machine learning, Lukasz was a tenured researcher at University Paris Diderot and worked on logic and automata theory. He received his PhD from RWTH Aachen University in 2008 and his MSc from the University of Wroclaw, Poland