Grzegorz Wierzba – composer, teacher, lecturer at the Music Academy in Wrocław, which he graduated in 2006 in the class of composition of prof. Jan Antoni Wichrowski. He is an honorary member of the Polish Double Bass Association since 2010. In 2014 he received a PhD in art in the field of composition and theory of music, specialty composition. Since 2015, teacher of theoretical subjects at the Primary Music School in Świdnica. In 2015-2018, teacher of theoretical subjects at the Social Secondary Music School in Świdnica. He received an honorable award in the International Composition Competition of the European Capital of Culture Wrocław 2016. He was in the jury of many competitions for children and youth. A member of Związek Kompozytorów Polskich (department of Wrocław, Polish Composers' Union) since 2018. He collaborates with many Polish and foreign composers.