Education

Degrees and research visits.

2013

Dr. rer. nat., University of Bremen

Thesis: Qualitative Reasoning about Relative Directions: Computational Complexity and Practical Algorithm

Advisors: Prof. Christian Freksa† and Prof. Sanjiang Li (UTS, Australia)

2011–2012

Visiting PhD Student

  • North Carolina State University (Jan–Mar 2012)
  • University at Buffalo (Oct–Dec 2011)
2009

Dipl.-Math., University of Bremen

Thesis: Analyse und Konstruktion von Parrondo-Paradoxa

Advisors: Prof. Ulrich Krause and Prof. Peter Maaß

Thesis Award: Fachbereichspreis Mathematik 2009

2008

Visiting MSc Student

Seoul National University (Jul–Aug 2008)

Experience

Research positions and fellowships.

2025–now

Principal Investigator

University of Hamburg

2020–2025

Postdoctoral Research Associate

University of Hamburg

2018–2020

Postdoctoral Research Associate

Cardiff University

2016–2017

Feodor-Lynen Research Fellowship Holder

University of Technology Sydney

2015

Postdoctoral Research Associate

The Australian National University

Research Grants and Awards

Funding and recognitions.

2025

Research grant, DFG — LUMO

Co-PI with Prof. Stefan Wermter; funds 1 postdoc + 1 PhD for 3 years (732,610 EUR).

2022

Student Research Groups, University of Hamburg

Advisor; 10,000 EUR for explainable VQA (with Lukas Braach, Börn Plüster, Jakob Ambsdorf).

2019

Bremen-Cardiff Alliance Collaborative Fund, Cardiff University

Travel funding for spatial language understanding (with Holger Schultheis and Steven Schockaert).

2017

UTS Blue Sky Research Scheme, University of Technology Sydney

Internal funding (with Prof. Sanjiang Li).

2016–2017

Feodor Lynen Postdoctoral Fellowship, Alexander von Humboldt Foundation

~120,000 EUR for two years.

2014

ECCAI travel grant

Travel support for AI research community engagement.

2011–2014

SFB Transregio 8 Spatial Cognition Subproject R3, University of Bremen

Contributor (non-PI, with Prof. Christian Freksa and Dr. Diedrich Wolter).

2009

Fachbereichspreis Mathematik, University of Bremen

Best diploma thesis award.

2008

DAAD Scholarship (DAAD & KOSEF)

3,000 EUR research visit to Seoul National University.

2001

Youth research awards

Third Prize, Jugend Forscht Bremen; Senator-Friedrich-Cordewener-Prize Bremen.

Service

Editorial work, committees, and community roles.

Editorial

  • Associate Editor, AI Communications (2024–now).

Committees

  • Selection Committee (W3 Data Science), University of Hamburg (2024).
  • Application Selection Team, Intelligent Adaptive Systems MSc program, University of Hamburg (2021).
  • Interim Evaluation Committee, University of Hamburg (2020).

Organizer

  • Workshop on Spatio-Temporal Reasoning and Learning (2023, 2024, 2025).
  • SFBRTG Doctoral Colloquium (2012).
  • GIZeitgeist Conference (2012).

Leadership

  • President, Korean Student Association of Bremen (2006).

SPC/PC Member

IJCAI (2018–2025), AAAI (2018–2022), ECAI (2023), EMNLP (2023, 2024), ACL (2023), LREC-COLING (2024), ICANN (2022, 2023), KI (2022), KR (2016), AI (2015).

Contact

Feel free to reach out regarding collaborations or supervision.

Address

Department of InformaticsUniversity of HamburgVogt-Koelln-Str. 3022527 Hamburg, Germany