Masato Hagiwara is a Research Lead with 15 years of experience in NLP and ML, specializing in Asian language processing (Japanese, Chinese, Korean), machine translation/transliteration, and language assessment. He now leads research at Earth Species Project decoding non-human communication, after building automatic grading and multilingual course content at Duolingo and transliteration/MT systems at Rakuten. A published author of "Real-World Natural Language Processing," he combines deep academic training (PhD, Nagoya University) with hands-on engineering across startups, industry labs, and open-source educational projects. Masato has a track record of competitive NLP results (e.g., TAC KBP fine-grained NER work) and a habit of turning research into practical tools—from RakutenMA and ESL writing support to web-based AllenNLP teaching materials. Notably, he consults across US–Japan startups and contributes datasets and courses that lower the barrier to applied NLP.
15 years of coding experience
13 years of employment as a software developer
Ph.D. Information Engineering Computer Science, Ph.D. Information Engineering Computer Science at Nagoya University
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Masato Hagiwara - Research Lead at Earth Species Project