Sven "Stolle" Stollenwerk served as an officer in the Bundeswehr, the German Armed Forces, for 12 years, the last six of which were with the Airborne Regiment. His final active rank was captain. His qualifications include firearms instructor for heavy weapons (including mortars, BMK 20mm), instructor of trainers nSAK, and instructor of foreign weapons for special forces.
After his time in the Bundeswehr, Stolle worked as an instructor for security personnel (including weapons knowledge) and as a specialist for protection and security. He was also a member of a maritime security team for the protection of merchant ships.
Since 2012, he has been working in the defense industry, including two years as an instructor and weapons technician in the Heckler & Koch DemoTeam and as a consultant for a major European weapons manufacturer. He holds several instructor qualifications for armorers for various manufacturers and weapon systems.
Stolle, who has been working as a shooting instructor since the end of his active duty, has contributed his expert knowledge in the areas of military, security, and weapons technology in several specialist articles, as well as book and film projects in recent years.
The book "Der perfekte Büchsenschuss" (the perfect rifle shot; together with Michael Gast, KOSMOS Verlag) is his first appearance as an author.