Members
Members are listed in chronological order of joining the lab.

Bastian Rieck
Principal Investigator
Principal Investigator
- GitHub
- Pseudomanifold
- ORCID
- 0000-0003-4335-0302
- @Pseudomanifold
- Web
- https://bastian.rieck.me
When it comes to machine learning, Bastian is interested in
all things geometrical and topological, with a particularly
strong focus on biomedical applications.

Julius von Rohrscheidt
Ph.D. Student
Ph.D. Student
- @JRohrscheidt
- Web
- https://rohrscheidt.com
Julius is particularly interested in the development and investigation of
robust topological representation learning procedures.
This includes the construction of new feature extraction algorithms,
as well as the investigation of limitations and performance of these techniques.


Katharina Limbeck
Ph.D. Student
Ph.D. Student

Ernst Röell
Ph.D. Student
Ph.D. Student
Ernst is interested in building scalable topological
descriptors that can be used as machine learning layers.
Furthermore, he is interested in the application of abstract algebra and
sheaves to understand data structures and machine learning
algorithms.

Salome Kazeminia
Ph.D. Student
Ph.D. Student
- @KazeminiaSalome
Salome is interested in unsupervised, self-supervised, and weakly supervised deep models,
focusing on trustworthy representation and manifold learning to advance AI in health applications.


Rayna Andreeva
Visiting Researcher
Visiting Researcher
- ORCID
- 0000-0001-7497-624X
- @randreeva1
- Web
- https://rorondre.github.io/

Franz Srambical
Research Assistant
Research Assistant
- GitHub
- emergenz
- @lemergenz
- Web
- https://srambical.fr
Franz is interested in leveraging known
topological/physical constraints to solve problems in the natural
sciences, including – but not limited to – the realm of drug
discovery. He is also interested in representation learning for EEG data.

Niklas Hellmer
Visiting Ph.D. Student
Visiting Ph.D. Student
Niklas is a third year PhD student visiting from the Dioscuri Centre in
TDA (Warsaw). He is interested in applied topology with a focus on
interactions with statistics and signal processing.

Pragya Singh
MSc student
MSc student
- GitHub
- pragyasingh7
Pragya is an incoming MSc student at Imperial College London. She
is interested in geometrical and topological machine learnng, especially
its application in natural sciences.
Collaborators
![]() Adrien Aumon |
![]() Davide Buffelli |
![]() Francesco Conti |
![]() Corinna Coupette |
![]() Sebastian Dalleiger |
![]() Alexandros Keros |
Your name is missing here! Learn more about joining us.
Alumni & Alumnae
- Marek Cerny (now a Ph.D. student with Floris Geerts at the University of Antwerp)
- Ferdinand Hölzl (now a master’s student at University of Hamburg)
- Kalyan Varma Nadimpalli (now a research assistant at IIT Madras)