His research interests include computational linguistics, language modeling, speech recognition, speaker recognition and diarization (keeping track of multiple speakers), and paralinguistics (e.g., sentiment and emotion recognition), with over 300 papers and patents in these areas. His open-source SRI Language Modeling Toolkit is widely used in academia. For over 30 years, Andreas has a strong track record inventing novel algorithms for speech and language processing. He is a Fellow of the IEEE, the International Speech Communication Association, and the Asia-Pacific Artificial Intelligence Association.