If you would have asked me in the year of 2011 when I started my psychology studies whether I want to work with statistical questions and wether I would like to work with something called databases and programming structures I would have most probably said: “ABSOLUTELY NOT!!!” Nevertheless now I am here, just quit my job in Trade Marketing and working on becoming a Data Scientist with the help of the FlatIron School. I initially met the job as a data scientist when I was working for an innovative project of a big German airline company where we were working on enhancing respectively optimizing the personal customer experience of every single customer of that airline. Part of this project have not only been people from the airline itself but a looooot of consultants from all different areas: Project Manager, Scrum Masters, Marketing Specialists, Data Scientist, Data Archistect, and so on and so forth. The heart of this project was the database of the airline customers and the derivated questions that we could address in order to optimize the customer journey. I felt like the data scientists of this project where like the REAL brain behind it. Without them we would have just followed a strategy with no fundaments - we would address old and young customers, female or male customers, customers with kid, without kid, business travellers, leisure travellers - all with the same message! And this is probably the worst customer experience ever.