People

Martin Potthast
Prof. Dr. Martin Potthast
University of Kassel, hessian.AI, and ScaDS.AI
martin.potthast@uni-kassel.de
+49 (0)561 - 804 6132

Interests: Information Retrieval, Natural Language Processing, Artificial Intelligence, Crowdsourcing, Reproducibility
[data] [events] [publications] [research]

Secretaries

Kathrin Borchardt
Kathrin Borchardt
kathrin.borchardt@uni-kassel.de
Wilhelmshöher Allee 71-73
+49 (0)561 - 804 6439
Petra Gamrath
Petra Gamrath
pgamrath@informatik.uni-leipzig.de
Augustusplatz 10 · Room P 825
+49 (0)341 - 97 32230 | Fax 32299

Assistants

Pierre Achkar
Pierre Achkar[2024 - today]
pierre.achkar@uni-leipzig.de

Interests: Natural Language Processing, Information Retrieval, Retrieval-augmented Generation
[data] [events] [publications] [research]

Christopher Akiki
Christopher Akiki[2020 - today]
christopher.akiki@uni-leipzig.de

Interests:
[data] [events] [publications] [research]

Janek Bevendorff
Janek Bevendorff[2023 - today]
janek.bevendorff@uni-leipzig.de
+49 (0)3643 - 58 3577

Interests: Natural Language Processing, Machine Learning, Information Retrieval, Data Science, Elasticsearch, Software Engineering, Linux Cluster
[data] [events] [publications] [research]

Giuseppe Celano
Dr. Giuseppe Celano[2022 - today]
celano@informatik.uni-leipzig.de

Interests: Natural Language Processing, Ancient Languages
[data] [events] [publications] [research]

Niklas Deckers
Niklas Deckers[2024 - today]
niklas.deckers@uni-kassel.de
+49 (0)561 - 804 6094

Interests: Deep Learning for Natural Language Processing and Computer Vision, Information Retrieval
[data] [events] [publications] [research]

Theresa Elstner
Theresa Elstner[2025 - today]
theresa.elstner@uni-kassel.de

Interests: Natural Language Processing, Human Factors in AI
[data] [events] [publications] [research]

Lukas Gienapp
Lukas Gienapp[2019 - today]
Kassel University, hessian.AI and ScaDS.AI
lukas.gienapp@uni-kassel.de

Interests: Information Retrieval, Machine Learning, Retrieval-augmented Generation
[data] [events] [publications] [research]

Klara Gutekunst
Klara Gutekunst[2025 - today]
klara.gutekunst@student.uni-kassel.de

Interests: Information Retrieval, Natural Language Processing, Data Mining
[data] [events] [publications] [research]

Tim Hagen
Tim Hagen[2024 - today]
tim.hagen@uni-kassel.de
+49 (0)561 - 804 6030

Interests: Information Retrieval
[data] [events] [publications] [research]

Sebastian Heineking
Sebastian Heineking[2022 - today]
sebastian.heineking@uni-leipzig.de

Interests: Information Retrieval,
[data] [events] [publications] [research]

Simon Ruth
Simon Ruth[2024 - today]
simon.ruth@uni-kassel.de
+49 (0)3643 - 58 3567

Interests: Multimodal and Language Models, Machine Learning
[data] [events] [publications] [research]

Matti Wiegmann
Matti Wiegmann[2018 - today]
matti.wiegmann@uni-weimar.de
+49 (0)3643 - 58 3575

Interests: Social Media Analysis, Authorship, Natural Language Processing
[data] [events] [publications] [research]

Ines Zelch
Ines Zelch[2023 - today]
ines.zelch@uni-leipzig.de

Interests: Natural Language Processing, Machine Learning, Information Retrieval
[data] [events] [publications] [research]

External PhDs

Christopher Schröder
Christopher Schröder[2019 - today]
Leipzig University and ScaDS.AI
christopher.schroeder@uni-leipzig.de

Interests: Active Learning, Natural Language Processing
[data] [events] [publications] [research]

Former assistants

Yamen Ajjour
Dr. Yamen Ajjour[2021 - 2022]
Leibniz Universität Hannover
y.ajjour@ai.uni-hannover.de

Interests: Natural Language Processing, Information Retrieval
[data] [events] [publications] [research]

Khalid Al-Khatib
Assistant Prof. Dr. Khalid Al-Khatib[2020 - 2021]
University of Groningen
khalid.alkhatib@rug.nl

Interests: Natural Language Processing, Information Retrieval, Computational Social Science
[data] [events] [publications] [research]

Sebastian Bischoff
Sebastian Bischoff[2022 - 2023]
University of Tübingen
sebastian.bischoff@uni-tuebingen.de

Interests: Machine Learning, Data Science, Graph Mining
[data] [events] [publications] [research]

Kim Bürgl
Kim Bürgl[2022 - 2023]
SESAMm
kimbuergl@gmail.com

Interests: Natural Language Processing, Machine Learning
[data] [events] [publications] [research]

Thomas Efer
Dr. Thomas Efer[2022 - 2023]
Leipzig University
efer@informatik.uni-leipzig.de

Interests: Natural Language Processing, Digital Humanities
[data] [events] [publications] [research]

Tim Gollub
Dr. Tim Gollub[2021 - 2022]
Bauhaus-Universität Weimar
tim.gollub@uni-weimar.de

Interests: Digital Humanities, Information Retrieval, Web Technologies
[data] [events] [publications] [research]

Stefan Heindorf
Dr. Stefan Heindorf[2014 - 2019]
Universität Paderborn
heindorf@uni-paderborn.de

Interests: Causal AI, Explainable AI, Vandalism Detection
[data] [events] [publications] [research]

Wolfgang Kircheis
Wolfgang Kircheis[2020 - 2023]
stoneball
wolfgang.kircheis@gmx.de

Interests: Computational Social Science, Wikipedia Analytics
[data] [events] [publications] [research]

Nikolay Kolyada
Nikolay Kolyada[2024 - 2024]
Bauhaus-Universität Weimar and Leipzig University
nikolay.kolyada@uni-leipzig.de

Interests: Information Retrieval, Natural Language Processing, Software Engineering
[data] [events] [publications] [research]

Frank Loebe
Dr. Frank Loebe[2022 - 2024]
Leipzig University and ScaDS.AI
frank.loebe@informatik.uni-leipzig.de

Interests: Formal Ontologies, Knowledge Representation, Logic, Semantic Web
[data] [events] [publications] [research]

Andreas Niekler
Dr. Andreas Niekler[2018 - 2021]
Leipzig University
aniekler@informatik.uni-leipzig.de

Interests: Natural Language Processing, Digital Humanities, Science Studies
[data] [events] [publications] [research]

Alonso Palomino
Alonso Palomino[2020 - 2022]

mail@alonsopg.com

Interests: Bias Analytics, Natural Language Processing
[data] [events] [publications] [research]

Harrisen Scells
Jun. Prof. Dr. Harrisen Scells[2022 - 2025]
Leipzig University
harry.scells@uni-leipzig.de

Interests: Information Retrieval, Medical Systematic Reviews
[data] [events] [publications] [research]

Shahbaz Syed
Shahbaz Syed[2018 - 2024]
NEC Laboratories Europe
shahbaz.syed@neclab.eu

Interests: Deep Learning, Natural Language Processing, Information Retrieval
[data] [events] [publications] [research]

Visiting researchers

Xinyu Mao
Xinyu Mao[Mar. - May. 2024]
The University of Queensland
funded by DAAD PPP Programs for Project-Related Personal Exchange
xinyu.mao@uq.edu.au

Interests: Information Retrieval, Medical Systematic Reviews

Shuai Wang
Shuai Wang[Mar. - May. 2023]
Naver Labs Europe
funded by DAAD PPP Programs for Project-Related Personal Exchange
shuai.wang2@uq.edu.au

Interests: Information Retrieval, Medical Systematic Reviews