[4] He studied church music at the Hochschule der Künste Bern and the Musikhochschule Zürich,[5] achieving also master's degrees in piano pedagogy and concert organ playing.

[5] He took post-graduate studies in conducting at Universität für Musik und darstellende Kunst Graz and with Johannes Prinz [de] in Vienna, completed in 2006 with distinction.

Reize attended master classes with Anders Eby [de], Colin Davis, Bernard Haitink and Ralf Weikert, among others, and was especially influenced in meetings with Nikolaus Harnoncourt at the Opernhaus Zürich and the Styriarte festival.

[4] He became musical director of the Oper Schloss Waldegg in 2006,[6] where his ensembles performed and recorded Rousseau's Le Devin du Village[7] and Handel's Apollo e Dafne.

[10] From 2011 to 2021, Reize also conducted the Gabrielichor in Bern,[11] an ensemble specialised in music for several choirs, including the Marienvesper [de] settings by Rovetta and Rosenmüller, and Monteverdi's Vespers.

[13] On 18 December 2020, Reize was designated by the Leipzig city council as Thomaskantor, the 18th in the position after Johann Sebastian Bach,[14] as the first Swiss and the first Catholic since the Reformation.

[14] Reize took office on 11 September 2021, performing in the afternoon Bach's cantata Was Gott tut, das ist wohlgetan, BWV 99, with the Thomanerchor and the Gewandhausorchester in the Motette series.