Mariusz Gil Source Ministry

BIO: Mariusz Gil is an architect and CTO focused on high complexity and high performance web applications. Trainer, consultant and conference speaker. He has been working for several companies on PHP projects for millions of active users, from biggest social network and instant-messaging software in Poland to multi-billion PV content personalization and discovery platform. Mariusz is also member of 4Developers and PHPcon Programme Commitees and one of core members behind PHPers, open meetups for PHP developers in many cities in Poland. Big-data enthusiast and data-sciencist wannabe. After hours, biker, rock guitarist and landscape photographer.

Presentation: Discovering unknown with Event Storming
session level: intermediate

Event Storming is a lightweight discovery and collaborative learning technique for exploring complex domains and problems. Using business Events, the first-class citizens of modern software development, in very short period of the time we can discover, discuss, model and visualize processes, actors, business rules and related hotspots… Prepared model can be used and extended by software developers, UI/UX designers, testers and product development team, making everyone perspective important. Event Storming is also a communication platform and knowledge transfer tool you may apply to release into production proper developer’s understanding of the problem, not assumptions or speculations.


  • Core knowledge about Event Storming
  • Methods for engaging everyone in process
  • Real projects use-cases and outcomes from last 3 years of using Event Storming
  • Our extensions to initial Event Storming concepts