As a teenager he was enthusiastic about rock and grunge music before digging deeper into jazz through his father's record collection.

Next year, in 1994 he continued his studies under Diederik Wissels and Nathalie Loriers at the Royal Conservatory of Brussels and earned his Master of Music degree in 1999.

In 2005 Tuomarila formed his renowned trio, with Norwegian bassist Mats Eilertsen and Finnish drummer Olavi Louhivuori.

Eric Revis, Thomas Morgan (bassist), Reggie Washington, Joey Baron, Kenny Wheeler, Anders Jormin, Kush Abadey, Jim Black, Nelson Veras, Perico Sambeat, UMO Jazz Orchestra, Eero Koivistoinen, Peter Erskine, Bill Evans (saxophonist) Anders Bergcrantz, Rick Margitza, Maciej Obara.

(Timo Kämäräinen, Tuomas Timonen) Tomasz Stańko Quintet (Anders Christensen, Jakob Bro, Olavi Louhivuori) Lithium (André Fernandes, Joonas Tuuri, Jonne Taavitsainen) Eero Koivistoinen Quartet (Jussi Lehtonen, Jori Huhtala) Manuel Dunkel Quartet (Teppo Mäkynen, Ville Huolman, Jaska Lukkarinen, Eero Seppä) Lionel Beuvens MOTU (Kalevi Louhivuori, Brice Soniano, Franck Vaganee Natashia Kelly, Guilhem Verger, Ewout Pierreux) André Fernandes Dream Keeper (Perico Sambeat, Demian Cabaud, Iago Fernandes) Mats Eilertsen SkyDive Quintet (Tore Brunborg, Thomas T. Dahl, Olavi Louhivuori) Nicolas Kummert Voices (Herve Samb, Jens Maurits Bouttery, Nicolas Thys) Andre Sumelius Quartet (Ernesto Aurignac, Marko Lohikari) Tolonen (Timo Kämäräinen, Teemu Viinikainen, Risto Toppola, Joonatan Rautio, Manuel Dunkel, Juho Kivivuori, Sampo Tiittanen, Ville Pynssi)