Kosuke Tsujino

Kosuke Tsujino possesses extensive experience in natural language processing, machine learning, and software engineering, with a notable background at NTT DoCoMo, Amazon, and Google. At NTT DoCoMo from April 2007 to May 2015, Tsujino contributed to algorithm design and prototype implementation for the "Shabette Concierge" voice assistant and developed statistical language models for speech recognition services. Following this, from October 2017 to April 2020 at Amazon, Tsujino held roles as a Senior Applied Scientist and Software Development Engineer, focusing on product search relevance, conducting technical interviews, and auditing A/B tests. Most recently, at Google from April 2020 to November 2023, Tsujino worked as a Senior Software Engineer and Engineering Manager, leading initiatives in search quality leveraging GenAI and LLMs. Tsujino holds a Doctor of Philosophy (Ph.D.) in Informatics from Kyoto University, earned between 1998 and 2007.