Marian is a system administrator by heart. He is working with Linux for almost 20 years. Currently he is Head System Architect of Siteground.com. He is a big fan of FOSS and regularly speaks at different FOSS conferences around the world. Marian also helps with the organization of OpenFest - Bulgaria's biggest FOSS conferences. In his spare time he teaches Linux system administration and Network security courses in Sofia University and SoftUni.