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 achieved the rank of sergeant in the Royal Danish Army. In addition to this, Rolf is the chief instructor of Weapons Combat Systems, a weaponry-based martial art which he teaches on both a national and international level through classes, seminars, etc.

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.