Marius is a founder of Schwarzthal Tech, a Fintech start-up providing disruptive KYC solutions. He has published 4 books, the book that interests the tax world the most is called VAT Fraud. Marius also starred in 4 TV documentaries about financial crime, and a movie Lords of Scam about VAT fraud with CO2 emissions, on Netflix. He is an associate professor of finance with Dauphine University (FRA), and has a PhD in mathematics from Paris Sorbonne University. We discussed tax fraud and how to minimise it, how VAT fraudsters choose the target country, what’s wrong with the tax authorities, why the Lords of Scam movie on Netflix is not the way how the fraudsters work, how a law firm can combine tax advice and IT new possibilities, etc.