This is a list of Therion's current, former, guest, live members and people directly related with the band. For detailed information, such as voice range or specified songs appearance, see the proper album article of the relevant year. Current members Christofer Johnsson – guitars, keyboards, programming, Hammond organ, orchestral arrangement (1987–present), vocals (1987–2006) Sami Karppinen – drums (1998–2003, present) Thomas Vikström – lead vocals (2007–present) Nalle "Grizzly" Påhlsson – bass (2008–present, 2008–2019 (touring)) Christian Vidal – guitar (2009–present) Lori Lewis – vocals (2007–present) Former members Erik Gustafsson – bass (1987–1991) Oskar Forss – drums (1987–1992) Peter Hansson – guitars, keyboards (1987–1992) Matti Kärki – vocals (1989) Andreas "Wallan" Wahl – bass (1992–1994) Piotr Wawrzeniuk – drums, vocals (1992–1997) Magnus Barthelson – guitars (1992–1994) Fredrik Isaksson – bass (1994–1995) Lars Rosenberg – bass (1996–1997) Jonas Mellberg – guitars (1995–1996) Johan Niemann – bass (1999–2008) Kristian Niemann – guitars (1999–2009) Richard Evensand – drums (2001–2004) Petter Karlsson – drums (2004–2008) Johan Koleberg – drums (2008–2016) Current live members Chiara Malvestiti – vocals (2015–present) Rosalía Sairem – vocals (2019–present) Chris David - bass (2021-present) Former live members Dan Lonard – keyboards (1994–1996) Kimberly Goss – keyboards, vocals (1996–1997) Ann-Sofie – vocals (1996) Jan – vocals (1996) Piotr Wawrzeniuk – vocals (1997) Kim Blomkvist – bass (1998) Cinthia Acosta Vera – vocals (1998) Martina Astner – vocals (1998–1999) Risto Hämäläinen – vocals (2000–2006) Petra Aho – vocals (2001) Johanna Mårlöv – vocals (2001, 2004–2006; died 2013) Jari-Petri Heino – vocals (2001, 2004–2006) Anders Engberg – vocals (2001) Maria Ottoson – vocals (2001) Suvi Virtanen – vocals (2001, 2004–2006) Mats Levén – vocals, guitars (2004–2007, May 2019) Karin Fjellander – vocals (2004–2006) Snowy Shaw – vocals (2006–2010, 2010–2012, 2013) Katarina Lilja – vocals (2006–2007, 2008–2011) Thomas Vikström – guitars (2007–2009), vocals (2007–2009) Piotr Wawrzeniuk – vocals (2007) Messiah Marcolin – vocals (2007) Ferdy Doernberg – keyboards (2007) Magnus Barthelson – guitars (2008) Linnéa Vikström – vocals (2010–2018) Waldemar Sorychta – bass (2010–2011) Therese Person – vocals (2011) Stefan Jernståhl – keyboards (2012) Sandra Laureano – vocals (2014) Sami Karppinen – drums (2014) Isa García Navas – vocals (2015, 2019) Emmie Asplund – vocals (2015–2018 as stand-in) Fredrik Andersson – drums (2017) Justin Biggs – bass (2019) Session and guest musicians Anna Granqvist – vocals (1992) Claudia Maria Mokri – vocals (1994) Dan Swanö – vocals (1996) Peter Tägtgren – guitars (1996) Axel Patz – vocals