Ehsan Amid is a machine learning researcher-engineer with 11 years of experience, currently a Member of Technical Staff at Core Automation and a Research Scientist at Google DeepMind contributing to Gemini. He holds a PhD in Computer Science from UC Santa Cruz and an MSc in Machine Learning and Data Mining from Aalto University, with early foundations in telecommunications engineering. His work spans theory and practice—tempered Bregman divergences, robust loss functions (e.g., bi-tempered logistic loss), optimization and dimensionality reduction techniques like TriMap—bridging principled math with scalable implementations in TensorFlow/JAX. At Google Brain he developed robust training objectives, adaptive optimizers and block-sparse training methods, and his open-source contributions to the prominent google-research repo reflect deep expertise in loss design and numerical computation. Based in San Francisco, he combines academic rigor with production-savvy engineering across research and applied ML. A less obvious strength is his consistent focus on robustness and optimization that links online learning theory to practical, highly testable model training tools.
11 years of coding experience
5 years of employment as a software developer
Master's degree Machine Learning and Data Mining, Master's degree Machine Learning and Data Mining at Aalto University
Contributions summary:Ehsan primarily contributed to the implementation and testing of a bi-tempered logistic loss function within a TensorFlow/JAX environment, indicating a focus on machine learning model training. Their work included defining functions for tempered softmax and sigmoid, and supporting both sparse and general bi-tempered logistic loss calculations, highlighting expertise in loss functions. Further contributions included incorporating JAX for compatibility. This indicates expertise in machine learning, numerical computation, and a specific interest in loss function design and optimization.
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Ehsan Amid - Research Scientist at Google DeepMind