Daniel Roelfs, PhD
Work experience
DNB - Group Security - Group AML
2022 - current
Data Scientist
- Data scientist in the Anti-Money Laundering Group at DNB
- Creating machine learning models using Python, R, and AWS cloud services and putting models in production
University of Oslo - NORMENT - Multimodal Imaging Group
2019 - 22
Doctoral Research Fellow
- PhD position on neuroimaging and genetics
- Running a study from conception through writing the final manuscript, analysis in R, Python, MATLAB, and a variety of additional tools
University of Oslo - NORMENT - EEG Group
2018 - 19
Research Assistant
- Managing EEG data, data preprocessing and analysis, training new EEG testers, performing EEG experiments
Rikshospitalet - Department of Medical Physics
2018 - 19
Research Assistant
- Data collection, management, and processing in an MRI study on sleep deprivation
- Processing and analyzing of data from the video camera
Education
University of Oslo - Faculty of Clinical Medicine
2019 - 22
PhD, Doctoral Education
- Doctoral education at the Institute of Clinical Medicine at the University of Oslo
- Courses relevant to neurobiology, advanced statistics, and other academic and non-academic skills
Lund University - Faculty of Medicine
2016 - 18
MSc, Biomedicine
- Master’s program in Biomedicine at the Faculty of Medicine
- Focus on molecular biology and neuroscience
Utrecht University - University College Roosevelt
2012 - 15
BSc, pre-medical track
- Major in the pre-medical science track, minor in philosophy
- Liberal Arts & Science program
- Honors College
Skills
Daily use of Python, R, SQL (various dialects), bash, AWS, Snowflake, Git, and common packages and module. Experience also with MATLAB, LaTeX, HTML/CSS. Have previously worked with Google Cloud, SLURM.
In addition, I’m familiar with common data science and data engineering frameworks including but not limited to Shiny, Flask, Streamlit, MLFlow, Jenkins, Docker, Airflow, TensorFlow, LangChain, dbt, and various other common tools.
Languages
Awards
ECIP Oral Finalist
2021
World Congress of Psychiatry Genetics
- Awarded to promising oral presentations from early-career researchers
International Training Grant
2019
Norwegian Research School in Neuroscience
- Grant awarded to scientists to receive training abroad that’ll benefit their research in Norway
Sparbanken Skåne Master Prize
2019
Sparbanksstiftelsen Färs & Frosta, Lund University
- Awarded to the best master theses in the field of neuroscience
Clincial experience
Clinical Chemical Hematological Lab - Gelre Apeldoorn
2016
Phlebotomist
Various departments - Gelre Apeldoorn
2016
Assistant nurse
Commissions
DNB Data Science Meetup
2023 - 2024
Committee Member
NRSN Annual Conference
2019 - 21
Committee Member
- Organization of the national conference of the Norwegian Research School for Neuroscience its members
The Netherlands Red Cross Student Desk Zeeland
2014 - 15
General Board Member (Fundraising portfolio)
Portfolio
I occasionally write blogposts that serve as tutorials or showcases for how I solve certain data science problems
danielroelfs.com
danielroelfs.app
- Collection of apps for various uses, self-hosted from a Raspberry Pi (described here)
- Apps created in Flask and Shiny
Bilkollektivet Trip Cost Calculator
- Shiny app to estimate the cost of a car rental through Bilkollektivet
Presentations & Talks
- Slides and resources for public talks, workshops, and presentations I’ve given since 2019
Introduction To Basic Statistics in R
- Online book to help medical researchers get started in R
Selected publications
- D Roelfs, …, T Kaufmann Genetic overlap between multivariate measures of human functional brain connectivity and psychiatric disorders. Nature Mental Health. doi: 10.1038/s44220-023-00190-1 preprint: 10.1101/2021.06.15.21258954
- D Roelfs, …, T Kaufmann Shared genetic architecture between mental health and the brain functional connectome in the UK Biobank. BMC Psychiatry. doi: 10.1186/s12888-023-04905-7 preprint: 10.1101/2022.06.24.22276846
- D Roelfs, …, T Kaufmann Phenotypically independent profiles relevant to mental health are genetically correlated. Translational Psychiatry. doi: 10.1038/s41398-021-01313-x preprint: 10.1101/2020.03.30.20045591
- I Voldsbekk, …, D Roelfs, …, II Maximov Sleep and sleep deprivation differentially alter white matter microstructure: A mixed model design utilising advanced diffusion modelling. NeuroImage. doi: j.neuroimage.2020.117540 preprint: 10.1101/ 2020.08.24.259432
For an extended list of publications, see the publications list on my website, ORCID or my Google Scholar profile.
Last updated: 31 July 2025