Charlie is an ex-lab-scientist, and currently an analyst at SwiftKey, who were recently acquired by Microsoft.
Hash is a consulting analyst at The Information Lab, helping clients make sense of their data using Tableau and Alteryx. Download his demo workbook here.
Dalton is a data officer at the big data and analytical unit in the centre for health policy at Imperial College London.
Mark is a computer scientist turned data wrangler, who has previously worked in education, finance and academia. He is now co-ordinating data-driven research at IAVI, a global non-profit dedicated to HIV vaccine development.