René Koch is a senior solution architect and consultant focusing on open source virtualization, Linux, system management, and system monitoring. He started working with Red Hat Enterprise Virtualization and oVirt in 2010, and implemented various environments on the customer side. As part of the oVirt community, he is not only an active member on the oVirt mailing list, but also gives lectures about oVirt in Austria and Germany. Furthermore, he is the author of two open source projects. The Nagios plugin check_rhev3 is used to monitor the whole oVirt and RHEV environment with Nagios and Icinga. The Monitoring UI-Plugin is a user interface plugin for oVirt and RHEV, which integrates Nagios-based monitoring environments into the oVirt web administration portal.

Andrii Salnikov, a qualified systems engineer and lecturer in the fields of High Performance Computing (HPC) and networking, was born in 1986 in the small provincial town of Chernigov, Ukraine. In 2000, he moved to Kiev where he obtained higher education in applied physics and computer science, and currently resides there with his spouse and little daughter. In 2008, he started his career as a Cisco Networking Academy instructor on the industry's leading technologies and moved forward to gain an insight into other computer science fields. Today, he is recognized as a Cisco Certified Networking Associate Instructor Trainer and HP Certified Instructor. He has proved his qualifications by acquiring the widely recognized industry certifications, Cisco Certified Network Associate Security, Linux Professional Institute Level 1 Certified, Novell Certified Linux Administrator, Novell Data Center Technical Specialist, HP Accredited Integration Specialist Networking Infrastructure, and Extreme Networks Associate.

Along with teaching, he applies all his knowledge and skills to develop various IT products. His primary research and development is devoted to Grid and Cloud Computing technologies. He took part in the technical design and implementation of several HPC clusters connected to the grid infrastructure powered by the Nordugrid ARC middleware in the National Academy of Sciences of Ukraine. His Ph.D. thesis that is devoted to theoretical methods and applications of grid technologies has just been finished.

He is currently employed by Taras Shevchenko National University of Kyiv as an Assistant Lecturer in the Computer Engineering department of the Radiophysics faculty and as Senior Systems Engineer in the Parallel Computing laboratory of the Information and Computer Center.