Dafne Papaefthymiou

Dafne Papaefthymiou is a Machine Learning Engineer at Meta since September 2025, with previous experience as a Research Engineer at Fero Labs, where significant contributions included the development of a data density grid algorithm and unsupervised anomaly detection methods. Dafne also served as a Graduate Teaching Assistant at Columbia University, guiding graduate students in machine learning topics, and participated in research internships focused on causal inference and machine learning. Early career experience includes consulting at ORTEC, where Dafne enhanced logistical efficiency and facilitated the deployment of optimization software. Educational qualifications encompass a Master of Science in Computer Science from Columbia University and a Master of Engineering in Computer Science from the National Technical University of Athens, complemented by studies in classical piano.