Kai Zhen is a Senior Applied Scientist at Amazon, specializing in multimodal AI and the efficiency of large language models. Since 2021, Kai has focused on enhancing the accuracy and efficiency of device and cloud automatic speech recognition (ASR) systems, contributing to significant innovations in model sparsification and quantization. Prior to this role, Kai completed an Applied Scientist internship at Amazon in 2020 and a Machine Learning and Relevance internship at LinkedIn in 2019. Kai holds a double major Ph.D. in Computer Science and Cognitive Science from Indiana University Bloomington, where they achieved a 3.96 GPA.
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