Konrad holds an MA degree in Modern History. He studied in Jena, Germany, and Leiden, Netherlands. He has published several books on castles in Germany and Israel as well as on sword fighting. Lately, Konrad had done a major research project on the weapons in the Schwarzburg Armory. From his childhood on Konrad has been fencing and for the last 20 years focusing on longsword and dagger fighting. He is the Head of the German section of KDF International and a senior instructor in Historical Weapons Combat. He has been teaching at national as well as international events and gives a regular course at the University Sports Centre of the University of Applied Sciences Jena.

Konrad holds an MA degree in Modern History. He studied in Jena, Germany, and Leiden, Netherlands. He has published several books on castles in Germany and Israel as well as on sword fighting. Lately, Konrad had done a major research project on the weapons in the Schwarzburg Armory. From his childhood on Konrad has been fencing and for the last 20 years focusing on longsword and dagger fighting. He is the Head of the German section of KDF International and a senior instructor in Historical Weapons Combat. He has been teaching at national as well as international events and gives a regular course at the University Sports Centre of the University of Applied Sciences Jena.

Rolf is the founder of the Society for Combat Archaeology (SoCA). He holds an MA degree in Maritime Archaeology from the University of Southampton and another MA degree in Prehistoric Archaeology from the University of Copenhagen. His studies have preeminently been on the subject of combat and conflict in the past, ranging from Mesolithic violence to organized state formation in the Renaissance. He has obtained the rank of sergeant in the Royal Danish Army. In addition to this, Rolf holds the position of Master and instructor in the martial arts of Weapons Combat Escrima and Wing Tsun, respectively, and teaches classes and holds seminars on both an international and national level.

Antti holds a MA degree in English Philology from the University of Helsinki, with a minor in pedagogy and an advanced minor in Latin language and Roman literature. Having rounded up his classical education with advanced studies of Greek language and literature, he specializes in historical linguistics and philology with a particular interest in the Germanic language family. He served his military service in the Guard Jaeger Regiment and holds the rank of 1st lieutenant (infantry) in reserve. Currently he is working on his doctoral dissertation on Royal Armouries MS I.33 at the University of Helsinki. Antti is the chief instructor of Wing Tsun Finland, an instructor in Weapons Combat Systems and the Regional Head of KDF Finland.