Harold Nguyen

Member of Technical Staff, OpenAI, contributing to core machine learning systems and model deployment infrastructure for frontier AI research and applications.

Machine Learning Engineer, Apple, focused on large-scale deep learning systems and on-device intelligence, advancing personalized AI and privacy-preserving machine learning.

Machine Learning Engineer, Proofpoint, led development of over 100 production-grade classifiers for social-media security and compliance, and built core algorithms behind new fraud-detection products.

Senior Data Scientist, Barracuda Networks, developed scalable data-flow and analytics systems using Cassandra, ExtJS, MySQL, and MongoDB for cybersecurity applications.

Scientific Researcher, CERN, designed and maintained C++ software for data acquisition and analysis at the Large Hadron Collider; created Monte Carlo simulations and statistical models for high-energy physics experiments.