John Rahmani is a seasoned Machine Learning Engineer and Research Scientist currently working at Meta since September 2025, focusing on ranking and relevance. Prior to this role, John contributed as a Machine Learning Engineer at Accenture from July 2021 to May 2024, where responsibilities included developing and deploying end-to-end machine learning solutions for various business operations. Additionally, John's experience includes a position as a Data Scientist at Pinterest from June 2024 to August 2025, where efforts were directed towards ad product development and effectiveness analysis. John pursued a Doctor of Philosophy in Applied Mathematics with a focus on Probability Theory at the University of Southern California, culminating in a thesis published in the Journal of Theoretical Probability, following a Bachelor's Degree in Mathematics and Physics from Virginia Polytechnic Institute and State University.
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