Stefan Sylvius Wagner

Researcher, Natwest AI Research, NatWest Bank

Joined

May 2020

Names

Stefan Sylvius Wagner (Preferred)

Emails

****@hhu.de (Confirmed)

****@hotmail.com (Confirmed)

****@natwest.com (Confirmed)

Personal Links

Google Scholar

DBLP

Career & Education History

Researcher

Natwest AI Research, NatWest Bank (natwest.com)

2025 – Present

PhD student

University of Düsseldorf (hhu.de)

2022 – 2025

MS student

University of Düsseldorf (hhu.de)

2018 – 2022

Advisors, Relations & Conflicts

PhD Advisor

Stefan Harmeling

2022 – 2025

Expertise

Machine Learning

Present

Deep Learning

Present

Reinforcement Learning

Present

Representation Learning

Present

Publications

Helping Customers In Distress: An LLM-Powered Agent That Converses, Probes, and Routes
Alankar Atreya, Stefan Sylvius Wagner, Devesh Batra, Robert Hankache, Cristovão Iglesias Jr, Patrick Sinclair, Giulio Pelosio, Michael McMillan, Greig A Cowan, Raad Khraishi
- ICLR 2026 Workshop Advances in Financial AI
- Readers: Everyone
Large-Scale Chatbot Validation Through Customer Digital Twin Simulations
Cristovão Iglesias Jr, Devesh Batra, Alankar Atreya, Stefan Sylvius Wagner, Robert Hankache, Patrick Sinclair, Giulio Pelosio, Michael McMillan, Greig A Cowan, Raad Khraishi
- ICLR 2026 Workshop Advances in Financial AI
- Readers: Everyone
Oh-A-DINO: Understanding and Enhancing Attribute-Level Information in Self-Supervised Object-Centric Representations
Stefan Sylvius Wagner, Stefan Harmeling
- Submitted to ICLR 2026
- Readers: Everyone
MaxPoolBERT: Enhancing BERT Classification via Layer- and Token-Wise Aggregation
Maike Behrendt, Stefan Sylvius Wagner, Stefan Harmeling
- ICLR 2026 Conference Withdrawn Submission
- Readers: Everyone
A survey on self-supervised methods for visual representation learning
Tobias Uelwer, Jan Robine, Stefan Sylvius Wagner, Marc Höftmann, Eric Upschulte, Sebastian Konietzny, Maike Behrendt, Stefan Harmeling
- Mach. Learn. 2025
- Readers: Everyone
Object-Aware DINO (Oh-A-Dino): Enhancing Self-Supervised Representations for Multi-Object Instance Retrieval
Stefan Sylvius Wagner, Stefan Harmeling
- CoRR 2025
- Readers: Everyone
The Power of LLM-Generated Synthetic Data for Stance Detection in Online Political Discussions
Stefan Sylvius Wagner, Maike Behrendt, Marc Ziegele, Stefan Harmeling
- ICLR 2025
- Readers: Everyone
The Power of LLM-Generated Synthetic Data for Stance Detection in Online Political Discussions
Stefan Sylvius Wagner, Maike Behrendt, Marc Ziegele, Stefan Harmeling
- ICLR 2025 Spotlight
- Readers: Everyone
The Power of LLM-Generated Synthetic Data for Stance Detection in Online Political Discussions
Stefan Sylvius Wagner, Maike Behrendt, Marc Ziegele, Stefan Harmeling
- SoLaR Poster
- Readers: Everyone
Just Cluster It: An Approach for Exploration in High-Dimensions using Clustering and Pre-Trained Representations
Stefan Sylvius Wagner, Stefan Harmeling
- ICML 2024 Poster
- Readers: Everyone

View all 22 publications

Stefan Sylvius Wagner

Names

Emails

Personal Links

Career & Education History

Advisors, Relations & Conflicts

Expertise

Publications

Co-Authors