CV
For a complete version in PDF form, click here.Employment history
| Mar 2026 — Present | Lead Principal Applied Scientist, OCI GenAI, Oracle (link) |
| Feb 2022 — Feb 2026 | Senior Applied Scientist, AWS AI Labs, Amazon Web Services (link) |
| Jul 2021 — Feb 2022 | Applied Scientist, AWS AI Labs, Amazon Web Services (link) |
| Sep 2019 — Jul 2021 | Postdoctoral Researcher, Noah's ARK NLP group, University of Washington (link) |
| Apr 2016 — Aug 2019 | Postdoctoral Researcher, NLU group, Idiap Research Institute (link) |
| Jun 2014 — Dec 2014 | Visiting Scholar, DVMM lab, Columbia University (link) |
| Feb 2012 — Mar 2016 | Research Assistant, NLP group, EPFL/Idiap Research Institute (link) |
| May 2009 — Oct 2011 | Software Engineer, i-Sieve Technologies (link) |
| Nov 2007 — Nov 2011 | Software Engineer, Endysis Group (link) |
| Mar 2007 — Jul 2007 | Software Developer, Optimor Labs (link) |
Awards & Honors
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EMNLP Best Theme Paper Award
Association for Computational Linguistics (ACL), 2025
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Two-year postdoc fellowship to be hosted at the University of Washington
Swiss National Science Foundation (SNSF), 2018
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Best paper award "Multilingual Hierarchical Attention Networks for Document Classification"
Nikolaos Pappas and Andrei Popescu-Belis
International Joint Conference on Natural Language Processing (IJCNLP), 2017
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Best multimodal paper award "Multilingual Visual Sentiment Concept Matching"
Nikolaos Pappas, Mercan Topkara, Miriam Redi, Brendan Jou, Tao Chen, Hongyi Liu, Shih-Fu Chang
ACM International Conference on Multimedia Retrieval (ICMR), 2016
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PhD student paper award "Adaptive Sentiment-Aware One-Class Collaborative Filtering"
Nikolaos Pappas and Andrei Popescu-Belis
Idiap Research Institute, 2015
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1st prize on video lecture annotation and search challenge
Idiap's Natural Language Processing group
ACM Multimedia Conference, 2013
Service
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- EACL 2023, EACL 2024, NAACL-HLT 2024, ACL 2024, NeurIPS 2025, NeurIPS 2026
