cv
Basics
Name | Johannes L. Hörmann |
johannes.laurin@gmail.com | |
Url | https://jotelha.github.io |
Summary | Computational nanotribologist |
Work
-
2022.05 - 2023.09 Co-founder (part-time)
Surface Design Solutions, remote
Co-founder and CTO of Start Up Surface Design Solutions
- ML Ops
- DevOps
- Customer support
-
2021.08 - Present Data Steward
livMatS Cluster of Excellence, University of Freiburg, Germany
Development and implementation of Research Data Management (RDM) policy. Development and provision of RDM tooling.
- RDM policy
- DMP review
- dtool & dserver development
-
2021.01 - 2021.07 Parental Leave
- Time management
- Leadership
-
2017.07 - 2025.01 Scientific staff
Scientific staff in simulation group with various teaching and research duties.
- Teaching
- Supervision
- Grant proposal writing
- Public speaking
- International collaboration
- DFT simulations
- MD simulations
-
2017.02 - 2023.09 Examiner (repeated assignments of 2 to 4 months each, 11 months in total)
Academic evaluation center, a joint institution of the German Embassy’s cultural department and the German Academic Exchange Service (DAAD), Beijing China
Conducting interviews for plausibility verification of academic records.
- Motivational interviewing
- Conversation planning and management
-
2014.09 - 2015.06 German Teacher (part-time)
University-affiliated language centers at Beijing Language and Culture University and Peking University, Beijing, China
Teaching preparatory courses for academic studies in Germany.
- Teaching German as a foreign language
- Lecturing
-
2007.08 - 2008.07 Working Holiday
Australia
Various jobs in meat processing and hotel industry.
- Flexibility
- Adaptability
- Communication
Education
-
2017.07 - 2025.07 Freiburg, Germany
Doctor of Philosophy (Ph. D.)
Simulation, Dept. of Microsystems Engineering (IMTEK), University of Freiburg
Microsystems Engineering
- Dissertation: Friction of Adsorption Films with Reproducible Molecular Dynamics
-
2014.09 - 2017.01 Beijing, China
Double Degree Master Program between Tsinghua University and TU Berlin
Tsinghua University
Mechanical Engineering / Engineering Science
- Master thesis (grade 1.3, German scale): Computational Modeling of Potential-Controlled Dodecyl Sulfate Ion Adsorption at the Aqueous and Non-aqueous SDS Solution – Stainless Steel Interface
-
2013.09 - 2014.08 Beijing, China
-
2012.09 - 2017.03 Berlin, Germany
Master of Science (M. Sc.)
Technische Universität Berlin
Engineering Science
- Mechatronics
- Numerics & Simulation
-
2010.09 - 2011.09 Kaohsiung, Taiwan
DAAD Annual Scholarship for Language Studies / Huayu Enrichment Scholarship
National Sun Yat-Sen University
Chinese language
-
2009.09 - 2010.06 Amsterdam, Netherlands
-
2008.09 - 2012.09 Berlin, Germany
Bachelor of Science (B. Sc.)
Freie Universität Berlin
Physics
- Bachelor thesis (grade 1.0, German scale): Large Scale Parallel Simulation of EPR Lineshape Spectra
-
2000.09 - 2007.06 Holzminden, Germany
Awards
- 2013.09
DAAD Annual Scholarship for Exchange Studies
German Academic Exchange Service (DAAD)
studies at Tsinghua University, Beijing, China.
- 2010.09
DAAD Annual Scholarship for Language Studies / Huayu Enrichment Scholarship
German Academic Exchange Service (DAAD) and Ministry of Education, Taiwan
language studies at National Sun Yat-Sen University, Kaohsiung, Taiwan.
Publications
-
2025.07.15 Friction of adsorption films with reproducible molecular dynamics
University of Freiburg
Cumulative PhD dissertation.
-
2024.06.25 dtool and dserver: A flexible ecosystem for findable data
PLOS ONE
The dtool ecosystem bridges the gap between standardisation-free data management by individuals and FAIR platform solutions with rigid metadata requirements.
-
2024.01.28 matscipy: materials science at the atomic scale with Python
Journal of Open Source Software
matscipy implements such tools for applications in materials science, including fracture, plasticity, tribology and electrochemistry.
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2023.06.28 Molecular simulations of sliding on SDS surfactant films
The Journal of Chemical Physics
We use molecular dynamics simulations to study the frictional response of monolayers of the anionic surfactant sodium dodecyl sulfate and hemicylindrical aggregates physisorbed on gold.
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2021.01.30 Molecular Simulations of Electrotunable Lubrication: Viscosity and Wall Slip in Aqueous Electrolytes
Tribology Letters
We study the frictional response of water-lubricated gold electrodes subject to an electrostatic potential difference using molecular dynamics simulations.
Skills
simulation methods | |
FEM with COMSOL, ANSYS, and FEniCSx | |
MD sith GROMACS and LAMMPS | |
DFTB with Atomistica | |
DFT with GPAW and CASTEP | |
ML (GPR, GPC) with gpflow and sklearn | |
Workflow Management with FireWorks and snakemake | |
Data Management with dtool & dserver |
machine learning | |
Gaussian process regression & classification (GPR, GPC) with gpflow and sklearn |
big data | |
Workflow Management with FireWorks and snakemake | |
Data Management with dtool & dserver |
visualization | |
matplotlib | |
seaborn | |
OVITO | |
VMD | |
PyMOL |
DevOps skills | |
GitHub CI/CD | |
OpenStack | |
Docker | |
Podman | |
Singularity | |
Make | |
CMake | |
EasyBuild | |
lmod | |
Slurm | |
MongoDB | |
Flask | |
REST API |
programming languages | |
Python | |
C/C++ | |
tcl | |
Lua | |
MATLAB | |
Mathematica | |
LaTeX |
driver's license | |
motorbike | |
car |
Languages
German | |
Native speaker |
English | |
Fluent |
Chinese | |
Fluent |