Secretary of European championship of prehistoric hunting weapons.
Prehistoric archaeologist, researching on weapons and tools of our ancestors. Main interest in the technology of old bows and arrows from the Stone age to the late medieval times. Interested in self bows, sinew backed bows and composite hornbows. Was one of the original founders of the European Prehistoric Spearthrowing and archery movement, a loose association which runs a series of Prehistoric shooting events in several European countries every year, the "European championship of prehistoric huntiung weapons".