about the author

Aleix Ruiz de Villa Robert has over 15 years of experience as a data scientist. He earned his PhD in mathematics and a master’s in financial mathematics from Universitat Autònoma de Barcelona. He was the head of data science at LaVanguardia.com and SCRM (Lidl International Hub) and chief data scientist at Onna.

Since 2019, he has been working independently as a freelancer, focusing on research projects and teaching at various universities and business schools. He also advises the startup Nuclia.

Aleix is very active in organizing open events related to data science. He helped run the Barcelona R Users Group from 2011 to 2017 and founded and co-organized the Barcelona Data Science and Machine Learning meetup from 2014 to 2021.