Marcus Siepen
| Country | Germany |
|---|---|
| Birth name | Marcus Matthias Siepen |
| Born | September 8, 1968, Krefeld, Germany (age 56) |
| Member of | Blind Guardian (1987-present) |
| Occupations | Guitarist, Vocalist |
| Instruments | Guitars (rhythm), Vocals (backing) |
| Genres | Power Metal |
| Years active | 1987-present |
