After apprenticeship and working in various companies in Switzerland, England, France an Japan, Peter set up is own workshop in Rheinfelden, Switzerland in 2004. He is fascinated by the unique combination in our profession, where technical, musical and aesthetic skills are needed. He sees the ISO as a great opportunity to develop the international exchange and knowledge in organ building.

In 1986 he started his apprenticeship at the Sueddeutsche Orgelpfeifenfabrik Roland Killinger to become a pipe maker with educational at the Oscar Walcker Schule in Ludwigsburg, Germany. In 1989 he worked at the Killinger - reed making and voicing. Since 1995 workshop manager at Killinger. 2002 - CEO of KILLINGER PFEIFEN FREIBERG

Andrew joined Harrison & Harrison as an apprentice in 1994. At the age of 22 he became London Tuner. In 2012 Andrew has been responsible for the musical success of many projects, including the Royal Festival Hall and King’s College, Cambridge. In addition to his work at H & H, Andrew is an accomplished organist and choir trainer, currently holding the posts of Director of Music at St Michael & All Angels, Croydon, and Director of the chamber choir, Amici Coro.

Studied « history of art and musicology » (master thesis: “La facture d’orgues liégeoise au XVIII siècle: la dynastie des Le Picard et Robustelly” Musical studies at the Conservatoire Royal de Musique de Liège. Working since 1984 in the family business. Publisher of the ISO Journal and ISO Treasurer since 2006

After studies in Sacred Music and training as an organ builder, Matthias Wirth worked as a voicer for the companies Rieger (Schwarzach/Austria) and Seifert (Kevelaer/Germany). Since 2018 he has been working as a freelance voicer for various companies in Europe. He also specialises in marketing, strategy and communication for small handcraft businesses, non-profit organisations and local politics. He loves to explore the big lines and the details in organ building and music. Therefore, it is a special pleasure for him to bring all these skills together in the activity as editor of the ISO Journal.

Markus began his apprenticeship at Rieger-Orgelbau in 1990 and worked there as an organ builder and intonator until 2010. He then became self-employed as a freelance intonator and worked for various companies. Since 2015 he has been the freelance intonator at the Wegscheider organ building workshop in Dresden. Markus has been a member of ISO since 2016.

After graduating as an architect and practicing the profession for several years in the UK, Michela Ruffatti joined Fratelli Ruffatti organbuilders, the family firm based in Padova, Italy, in 2004. Along with the principals of the firm, she works as both technical and visual designer, and she supervises the construction and installations of new organs and the restoration of historical organs. She is currently president of the Italian Association of Organbuilders.

Formerly a social worker and mediator specializing in generational conflict, Ottilie Vonbank, with her love for the queen of Instruments, is now carrying on her father's organ-building company. Ottilie’s aim is to evolve its tradition of fine craftsmanship through a new emphasis on cocreation and relationship.