Łukasz Kaiser is a Polish computer scientist and artificial intelligence (AI) researcher. He currently holds a position as a Member of Technical Staff at OpenAI and maintains a research appointment at the French National Centre for Scientific Research (CNRS). Previously, he was a staff research scientist at Google Brain. Kaiser is widely recognized as one of the eight equal-contributing authors of the seminal 2017 paper "Attention Is All You Need," which introduced the Transformer architecture.