X Operandi

X Operandi 	X Operandi
 	
Background information	Background information
Origin 	Burton upon Trent, England
Genres 	Deathcore, death metal
Years active 	1995–present
Labels 	Nuclear Blast
Associated acts 	Celestial Sphere, The Dream Factory
 	
Members 	James HarrisonCaitlyn HarrisonJona WeinhofenTomasz PuszLaura Harrison
 	
Past members 	See: List of X Operandi members
X Operandi are a British deathcore band that was founded in 1995 by brother and sister James and Caitlyn Harrison. The band currently consists of James (vocals), Caitlyn (drums), Jona Weinhofen and Tomasz Pusz (guitars) and Laura Harrison (bass).
==Discography==
:Main article: X Operandi discography
*Caesar's Palace (1995)
*Ascent Through the Spheres (1998)
*Summoning Redemption (2000)
*Victorious March of Reign the Conqueror (2003)
*Stand Alone (2005)
*Devirgination Studies (2007)
*Death Becomes Him (2008)
*Single File to Dehumanization (2009)
*Engineering the Antichrist (2010)
*Possibilities of an Impossible Existence (2011)
*The Purest Strain of Hate (2012)
*Worship the Digital Age (2014)
*Deliver Us to Evil (2015)
*Dwell in the Shadows (2016)
*Slaves Beyond Death (2017)
*Make America Hate Again (2018)
*Forgiveness Is Weakness (2019)
*Golden Mouth of Ruin (2022)
==Members==
===Current members===
*James Harrison – lead vocals (1995–present)
*Caitlyn Harrison – drums (1995–present)
*Jona Weinhofen – lead guitar (2003–present)
*Tomasz Pusz – rhythm guitar (2018–present)
*Laura Harrison – bass (2020–present)
;Touring members
*Navene Koperweis – drums (2021–2022)
===Former members===
;Guitarists
*Christopher Amott – lead guitar (1995–1996)
*Nicke Andersson – rhythm guitar (1995–1996)
*Faraz Anwar – lead guitar (1996–2003)
*Hakan Utangaç – rhythm guitar (1996)
*Adam Buszko – rhythm guitar (1996–1997)
*Marek Pajak – rhythm guitar (1997)
*Dan Mongrain – rhythm guitar (1997–1999)
*Tim Roth – rhythm guitar (1999)
*Jed Simon – rhythm guitar (1999–2000)
*Devin Townsend – rhythm guitar (2000)
*Franz Gottschalk – rhythm guitar (2000–2003)
*Mads Haarløv – rhythm guitar (2003–2004)
*Boudewijn Bonebakker – rhythm guitar (2004)
*Esa Holopainen – rhythm guitar (2004)
*Pasi Koskinen – rhythm guitar (2004–2005)
*Pier Gonella – rhythm guitar (2005)
*Øystein Brun – rhythm guitar (2005)
*Nocturno Culto – rhythm guitar (2005–2007)
*Naser Mestarihi – rhythm guitar (2007–2012)
*Anders Björler – rhythm guitar (2012)
*Oscar Dronjak – rhythm guitar (2012–2014)
*Björn Gelotte – rhythm guitar (2014–2017)
*Olof Mörck – rhythm guitar (2017–2018)
;Bassists
*Taneli Jarva – bass (1995–1997)
*Olli-Pekka Laine – bass (1997–2003)
*Jo Bench – bass (2003–2005)
*Tony Dolan – bass (2005)
*Shane Embury – bass (2005)
*Dave Pybus – bass (2005, 2010–2016)
*Ishay Berger – bass (2005, 2007, 2008)
*Tom Angelripper (2005–2006)
*Alla Fedynitch (2006–2007)
*Steve Rowe (2007–2008)
*Jayson Sherlock (2008–2009)
*Roxanne Constantin (2009)
*Byron Stroud (2009)
*Lars Eikind (2009)
*Fenriz (2009)
*Asgeir Mickelson (2009)
*Stian Johansson (2009–2010)
*Andreas Kisser – bass (2016–2020)