Nikolas Krieger
Senior Data Scientist
Cleveland, Ohio, United States
Summary
👤
Senior🎓
Top SchoolNikolas Krieger is a Senior Data Scientist and statistician with eight years of experience designing analytic databases, building reproducible data pipelines, and shipping production-ready statistical software. He authors R packages (splinetrials, sociome, USpopcenters, projects) and contributed to mmrm and glmmTMB, blending open-source development with applied federal analytics. At federal agencies and the IRS he led multimillion-dollar projects—designing a relational database for 500k+ clients, maintaining a Python ML model for audit prioritization, and delivering public-facing dashboards and rapid disaster-response summaries. Comfortable across R, SQL, SAS, Python, and C++, he focuses on reproducibility, version control, and scalable data architecture. He’s co-authored 13+ academic manuscripts and has a track record of turning semi-structured data (XML/JSON) into actionable, auditable insights. Based in Cleveland, he combines rigorous biostatistics training with hands-on engineering to bridge research and operational analytics.
8 years of coding experience
7 years of employment as a software developer
Bachelor of Science - BS Statistics, Bachelor of Science - BS Statistics at The University of AkronMaster of Science - MS Biostatistics, Master of Science - MS Biostatistics at Case Western Reserve University School of MedicineMaster of Arts - MA Intercultural Service, Master of Arts - MA Intercultural Service at Anderson University
Github Skills (48)
r-package9
file-operations9
bookdown8
tidymodels8
imputation8
missing-data8
r8
filesystem7
prepare7
tidyverse7
low-level7
tidy7
census7
api7
dplyr6
Programming languages (4)
Github contributions (5)
ClevelandClinicQHS/sociome
Jun 2018 - Sep 2018
Helping researchers to operationalize social determinants of health data.
Contributions:6 releases, 28 commits, 4 PRs in 2 months
ClevelandClinicQHS/projects
Sep 2018 - Dec 2018
Contributions:6 releases, 12 commits, 107 pushes in 2 months
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