theodor balan.

CV

CV

Work

Currently @Booking.com

2024 – now
Senior data scientist
2022 – 2024
Data scientist
Causal inference and experimentation for two-sided marketplaces

Previously @Danone Nutricia Research

2020 – 2022
Senior data scientist
Infant feeding patterns, feeding & growth, recipe optimisation with compositional data; causal inference, machine learning and data visualisation
2019 – 2020
Statistician
Statistical protocol design, interim and post-analysis for phase 2 early-life-nutrition trials

Previously @Leiden University Medical Center

2013 – 2018
Trainee researcher / PhD student

Education

2018
PhD in Medical Statistics
Leiden University
2013
MSc cum laude in Statistical science
Leiden University
2011
BSc in Applied mathematics
University of Bucharest

Tools & Skills

(^^^ = proficient   ^^ = good   ^ = basic)

Software development R•••
Version control git••
Coding languages R•••, C++•, python•, bash•
Statistical software SPSS••, SAS•
Typesetting LaTeX•••, Markdown••
Data visualization ggplot2•••, d3.js•
Web applications shiny••
Biostatistics & survival •••
Study design & epidemiology ••
Mixed models ••
Bayesian statistics
Machine / deep learning

R Expertise

Other Languages

Platforms