Henrikki is a visiting postdoc at UCL with background in geography and GIS. He got his PhD from the University of Helsinki in 2017, and his current research focuses on multimodal spatio-temporal accessibility modelling and mobility analytics. Henrikki has actively developed methodologies and tools for studying dynamic accessibility patterns, observing the spatial mobility of people, and understanding the social context associated with places using various digital data sources such as GPS, mobile phone, and social media data, transportation schedules, etc. Henrikki is also a keen Python educator, and he has developed openly available online courses to learn programming and doing GIS-with Python programming language. See https://geo-python.github.io and https://autogis.github.io. You can also find Henrikki's latest publications on Google Scholar.