we are cynkra


We are a team of data scientists who share a passion for the R ecosystem. We use our broad skill set to help our customers leverage R-powered analytics across a range of industries and applications.

Data Science


Adriana Clavijo is currently concluding a Master's degree in Statistics and Data Science at the University of Bern. She has experience working in data analysis and applied statistical methods in diverse contexts such as finance, macroeconomics, test and survey data and consulting. She is also experienced in data processing and modelling with both R and Python. Adriana joined cynkra in December 2021.

Data Science


Andrea Ranzato is a data scientist with experience in data wrangling, visualization and reporting using R. He started using the tidyverse professionally at the fraud department of an online retail business selling worldwide. He then matured experience consulting both in the public and private sector. Andrea got his M.Sc. in Data analytics in Milan, Italy. He joined cynkra in April 2022.

Data Science


Angelica Becerra is a statistician and data scientist with experience in consulting governmental offices on large-scale survey studies and statistical analysis. She has developed data analysis projects using R and Python with a focus on visualization, web scraping, and reports. Angelica has a M.Sc. in Social and Economic Data Analysis from the University of Konstanz, Germany. She joined cynkra in November 2020.

Data Science


Antoine Fabri is an engineer, science enthusiast and musician, with extensive experience as an R developer and data scientist. He has worked in various industries: retail, advertisement, banking, airport logistics and is the author of various CRAN packages, such as flow, boomer, and unglue. Antoine has a Master's degree in Civil Engineering from the University of Brussels. He joined cynkra in September of 2021.



Ben Ubah is a UI-Expert and data scientist and has an interest in building modern web applications using R, Shiny, and JavaScript. He holds a Master's degree in Business Informatics and has been awarded several R Consortium projects. Ben is the maintainer of r-community.org and participated in Google open-source programs as a contributor, technical writer and mentor. He joined cynkra in 2021.

Human Resources


Caroline Steiger is the human resources manager at cynkra. She joined the company in 2020 as a certified human resources specialist. Caroline supports the team and management in all matters related to human resources, streamlines administrative tasks and organizes meetings and events. She works and lives in Santiago de Chile and has wide experience in the electrical, mechanical, IT and banking industry.

Lead Analytics


Christoph Sax is a passionate economist and data scientist with more than 13 years of experience in R and has extensive experience in consulting private companies and governemental offices. He is the author of several R packages that are related to time series processing, such as seasonal and tsbox. Christoph holds a Ph.D. in economics from the University of Basel and is a founder and partner at cynkra.

Software Engineering


Dr. Indrajeet Patil is a software engineer. He was an active researcher in social psychology and neuroscience for 10 years. He (co-) authored over a dozen R packages about data analysis, statistical visualizations, and code analysis (e.g. easystats, ggstatsplot, lintr, etc.). Additionally, he is an active social media content creator about programming and data science. He joined cynkra in September 2022.

Lead Technology


Kirill Müller has been working on the boundary between data and computer science for more than 20 years. He has been awarded five R consortium projects to improve database connectivity and performance optimization in R. Kirill is a core contributor to several tidyverse packages, including dplyr and tibble. He holds a Ph.D. in Civil Engineering from ETH Zurich and is a founder and partner at cynkra.

Data Science


Layal Christine Lettry holds an M.A. in economics and a CAS in demography and population analysis. She worked as an econometrician at the Federal Social Insurance Office (FSIO) where she implemented econometric and mathematical models in R. She has been working with R since her Bachelor studies and is passionate about the R ecosystem. She joined cynkra in October 2022 as a data scientist.

Software Engineering


Maëlle Salmon is a R(esearch) Software Engineer with expertise in R package development. She created the R-hub blog, and co-wrote the online book HTTP testing in R. She is an editor for software peer-review at rOpenSci. She also volunteers on R-Ladies Global team. Maëlle holds a Ph.D. in Statistics from the Ludwig Maximilian University of Munich, Germany. She joined cynkra part-time in 2022.



Matthias Bannert is an analytics and data engineering expert with more than 10 years of experience in research, web development and data processing. He enjoys facilitating the use of open source software in enterprises, education and the public sector. In 2021, he was a co-chair for the annual useR! conference. Matthias holds a Ph.D. from ETH Zurich and joined cynkra in an advisory role in early 2022.

Data Science


Nicolas Bennett is an enthusiastic statistician, data scientist and R developer. He holds a M.Sc in Interdisciplinary Sciences from ETH Zurich and has recently sucessfully defended his doctoral thesis on machine learning with intensive care data at the Seminar for Statistics of ETH Zurich. Nicolas is an experienced teacher and a gifted R programmer. He joined cynkra in December of 2021.

Lead Infrastructure


Patrick Schratz, who joined cynkra in 2020, has an M.Sc. in Geoinformatics from the University of Jena, Germany, and is currently finishing his PhD. He is a member of the mlr-org core team and is actively developing the mlr/mlr3 machine learning framework in R. Patrick is passionate about workflow optimization, automation and containerization. He also contributes/maintains ropensci R packages.

Data Science


Sandro Burri is a data scientist who started using R with passion in 2001. Since then, he has created R packages for various purposes, such as producing data cubes (distrr), graphical interfaces (cubiapp) and statistical reports, cleaning data and visualizing maps (ggswissmaps). Sandro holds a postgraduate degree in statistics from the University of Neuchâtel. He joined cynkra part-time in October 2022.

Data Science


Tobias Schieferdecker holds a Ph.D. in Physics with focus on climate science from Karlsruhe Institute of Technology, as well as a Diploma of Advanced Studies (DAS) in Data Science from ZHAW. He is an expert in data cleansing, transformation, and modeling and is familiar with both R and Python. Tobias wrote his thesis on the mid-term development of stratospheric water vapor. He joined cynkra in July 2018.



Wael Sadek is an experienced DevOps engineer and administrator. He holds a B.Sc in Computer Science and has more than 10 years of experience in managing tech infrastructure in various professional environments. He is a certified Kubernetes Administrator, a certified AWS Solutions Architect Associate and a Redhat Certified Engineer and joined cynkra at the beginning of 2021.