One of the research leads of Facebook AI Research, the AI research division of Facebook. He was a researcher in the machine learning department of NEC Laboratories America (NECLA) from 2004 to 2010. The paper “A Unified Architecture for Natural Language Processing: Deep Neural Networks with Multitask Learning” (co-authored with Dr. Jason Weston), published in 2008, won the Test of Time Award (in honor of the most influential paper in the past 10 years) at ICML, a world-class machine learning conference, in 2018.
Including this achievement, Dr. Ronan is one of the world's leading authority on machine learning, He is currently involved in research on natural language processing, computer vision, speech processing at Facebook in Silicon Valley.