John Johnson
Owner And Principal Statistician
Greenville, South Carolina, United States
Summary
👤
Senior🎓
Top SchoolJohn Johnson is an experienced biostatistician and owner-principal at RJS Data Science, providing senior statistical leadership and part-time consulting to small biotechs and emerging pharma for over 13 years. He has led large, complex Phase 3 and late-stage trials and managed programming and biostatistics teams, with deep expertise in adaptive designs, Bayesian methods, regulatory submissions, and FDA engagement. His background includes senior roles at PPD, Mapi, Cato Research, and Rho, where he combined hands-on analysis, software for power/sample-size, and mentorship of statistical staff. A UNC Chapel Hill Ph.D. in Statistics, he’s known for translating advanced statistical strategies into practical development paths that accelerate drug development while keeping regulatory risk low.
13 years of coding experience
4 years of employment as a software developer
Diploma, HIGH SCHOOL/SECONDARY DIPLOMAS AND CERTIFICATES, Diploma, HIGH SCHOOL/SECONDARY DIPLOMAS AND CERTIFICATES at North Carolina School of Science and MathematicsPGM ClassCourseraPh.D., Statistics, Ph.D., Statistics at The University of North Carolina at Chapel Hill
French
Stackoverflow
548reputation
331kreached
3answers
1question
Github Skills (18)
r-package9
caret9
regression7
classification7
gaussian6
regression-models6
ggplot6
statistics6
curve-fitting6
machine-learning6
histogram6
algorithm6
r6
data-science4
ruby3
Programming languages (2)
Github contributions (5)
randomjohn/project
Nov 2012 - Nov 2012
Contributions:12 commits in 8 days
randomjohn/RJS_site_corp
Nov 2017 - Feb 2019
Contributions:57 pushes, 1 branch in 1 year 3 months
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