Ivan Klimek was born in Poprad. Under his leadership as CEO / CTO was Excalibur many times awarded by authorities in the field as Kaspersky Security Startup Challenge 2015 MIT directly by Eugene Kaspersky, Cisco IoT Grand Challenge 2014 directly from Cisco CTO Padmasree Warrior or Deutsche Telekom Telekom Innovation Contest 2013 etc.. Prior to the founding of Excalibur, he led his own consultancy company providing R & D services to a global giant, Qualcomm Research. He is the author of several US and EU patents. He graduated from the Technical University in Košice where he is currently a member of the Computer Networks Laboratory.