Vishwajeet Kumar is a Staff Research Scientist at IBM Research with eight years of experience specializing in NLP and deep learning, currently focused on retrieval-augmented generation and efficient text embedding models. He holds a PhD in Computer Science from IIT Bombay and has authored 30+ papers across top NLP/ML venues and more than 10 patents, demonstrating both academic rigor and applied innovation. Vishwajeet led the release of the granite family of embedding models and helped open-source PrimeQA, a multilingual QA toolkit, bridging cutting-edge research with practical tooling. Known for work spanning QA, question generation, knowledge graphs, and code-mixed NLP, he blends theoretical insight with production-minded engineering to advance information retrieval at scale.
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Vishwajeet Kumar - Staff Research Scientist at IBM