Gerhard Weinberger was born 1948 in Pfaffenhofen / Ilm (Bavaria) and studied organ (with Prof. Franz Lehrndorfer), church- and school music at the Munich College of Music (Hochschule für Musik München). In 1971 he was prize winner in organ of the renowned international ARD music competition. In 1974, after spending three years as choir director in the Basilika St. Lorenz in Kempten, he took up a teaching post for organ and for church music at the Munich College of Musik (Hochschule für Musik München). In 1977, at the age of 29, he was appointed to the rank of professor. Since 1983 he has been Professor (Ordinarius) for Organ at Detmold College of Music (Hochschule für Musik Detmold) and is also chair of the church music department. He is a member of the European Academy of Sciences and Arts and of the Leipzig New Bach Society directorate.

Gerhard Weinberger, whose wide repertoire ranges from pre-Baroque to music of the 20th century, with a special emphasis on organ music of J. S. Bach and Max Reger, has made a reputation for himself in the world of music through numerous concerts at home and in many countries of Europa, in Asia and North and South America, and through many radio recordings and some fifty recordings.

He is juror in national and international organ competitions. As a conductor, the works of J. S. Bach and other baroque componists form the centre of his artistic work. His vocal ensemble Die Deutschen Bach-Vocalisten (1986–2000) had an excellent reputation in the international music area. Since 2004 he has also conducted the Baroque Academy of the Detmold College of Music.

Professor Weinberger has also published many editions of 18th century organ and choral works, including the first complete edition of the organ works of the eminent Bach-pupil Johann Ludwig Krebs (Verlag Breitkopf und Härtel) and the complete organ works in the Urtext-edition of Robert Schumann (Henle Verlag), besides numerous specialised articles about the interpretation of baroque music.