Mark Jansen is a Dutch musician, best known as the founder and guitarist of the symphonic metal band Epica, which he formed in 2002. Jansen's musical style blends elements of gothic, progressive, and power metal, characterized by intricate guitar work, orchestral arrangements, and powerful female vocals, often provided by co-vocalist Simone Simons. Notable works include Epica's debut album, "The Phantom Agony" (2003), which received critical acclaim and established the band’s presence in the metal scene. Subsequent albums like "Design Your Universe" (2009) and "The Holographic Principle" (2016) further solidified the band's reputation, showcasing Jansen's ability to fuse heavy metal with classical music elements. Jansen has also been involved in other projects, such as the death metal band After Forever, which he co-founded in 1995. His contributions to the genre have influenced numerous bands within the symphonic metal community, and he is recognized for his innovative songwriting and production techniques. Overall, Mark Jansen's work has played a significant role in shaping the modern symphonic metal landscape.