Mirjam Laetitia Haag currently serves as the assistance organist for the world-famous Hildebrandt organ (1746) in Naumburg, Germany. Her musical education began at an early age with violin, piano and organ lessons.

In 2019 she absolved her bachelors degree in Sacred Music at the Hochschule für Katholische Kirchenmusik (HfK) in Rottenburg am Neckar with distinction. Parallel to this she studied mathematics (University of Tübingen) and music education (HMDK Stuttgart). She concluded both courses of study in 2024 at the University of Stuttgart and at the HMDK in Stuttgart. She is currently studying organ improvisation (Weimar) and organ literature (Leipzig). Her teachers include Prof. Helmut Deutsch , Prof. Dr. Markus Uhl, Prof. Ruben Sturm and Prof. Johannes Mayr. Her studies in music and mathematics were supported by the Hanns Seidel Stiftung for many years.

In 2016, she attended Valparaiso University with a scholarship, where she studied with Dr. Lorraine Brugh (organ) and Dr. Joseph Bognar (piano). She has undertaken private studies with Umberto Pineschi (Pistoia), Geoffrey Webber (Cambridge), Felipe López (Madrid) and Papal Organist Juan Paradell Solé (Rome). Master classes with Prof. Naji Hakim, Prof. Harald Vogel, Alastair Thompson and Guy Bovet have further enriched her studies.

In February 2022, she received an Erasmus Scholarship to study in Groningen, Netherlands where she studied organ improvisation with Prof. Sietze de Vries and organ literature with Prof. Erwin Wiersinga and Prof. Ben van Oosten. In 2019 she was awarded the Pfleghof-Preis for Organ from the Musicology Institute Tübingen. She was a finalist of the Märkisches Stipendium 2020 and of the Ideenwettbewerb Stuttgart 2021 and 2023. In 2024 she won the Golden Phoenix Award (Gdansk, Poland) as well as the top prize in the Couperin International Music Competition. 2025 saw her winning the top prize at the Vienna International Musician Competition.

While working as an organist and choir director in Rottenburg (2014-2020) and Kernen (2020-2024) she initiated significant choral performances and founded an organ concert series.

She is in strong demand for solo concerts and musical projects throughout Germany, the Netherlands, Skandanavia, Israel, Italy, USA and in other countries. She has performed twice for the “Festival Internacional de Órgano Antiguo de Guanajuato” (Mexico). Her many interdisciplinary projects have included cooperation with live narration, dance, improvisation and other musical instruments. Cooperative projects with the pianist Janita-Madeleine (22fingers), the harpist Deborah Haag as well as the Ackermann-Stiftung have garnered special recognition. Recordings of her projects, further information and her calendar of events can be found under Mirjam Laetitia Haag - YouTube or www.mirjamlaetitiahaag.de.