Whereas in the Middle Ages and early modern times it was primarily the church and the aristocracy who were responsible for the development of infrastructure and buildings in public spaces, in the 18th and 19th centuries members of the wealthy middle classes set out to shape the cityscape with their projects. The best-known member of this new class of successful entrepreneurs in Innsbruck was Baron Johann von Sieberer.

Johann Sieberer was born in Going near Kitzbühel in 1830 as an illegitimate child. The Bishop of Salzburg liked to spend his days off in the Tyrolean mountains. The school system in the Tyrolean lowlands was also administered by the diocese of Salzburg at the time. During a visit to the local primary school, he noticed a particularly bright boy.  

In 1840, at the behest of the bishop, Sieberer was appointed to the Borromeo in Salzburg as a choirboy. The Archbishop of Salzburg recognised the boy's outstanding talent early on and allowed him to attend the Franciscan grammar school in Hall in Tyrol.

After leaving school, he studied law in Vienna before entering the service of the family of the Bishop of Salzburg, the Princes of Schwarzenberg. This family was one of the most influential in the Austrian aristocracy. Archduke Albrecht, in whose service Sieberer was, was the founder of the Viennese art collection Albertina. Sieberer worked in the administration of the family's industrial plants and got to know many members of the aristocracy and moneyed gentry of the K&K monarchy while travelling through the monarchy. When, through Albrecht's mediation, he worked from 1860 for the Insurance company Österreichischer Phönix he was able to turn these contacts into money. He amassed a large fortune by selling high policies to members of the Habsburg family and other aristocrats. He acquired his private villa in Meidling near Vienna and invested his money in apartment blocks in the capital.

Johann von Sieberer is best known for his generous foundations in Innsbruck. With the social changes of the 19th century, the traditional extended family began to lose its role as the first port of call in times of need in urban areas. Although the state had increasingly taken over welfare from the church since Maria Theresa and outsourced it to the local authorities, there was often a lack of funds. Sieberer, a devout Catholic in Innsbruck, filled this gap as a kind of patriotic patron in the spirit of Christian charity.

From 1885 until his death in 1914, Sieberer was a benefactor to the Tyrolean capital. The orphanage and a fund to run it, as well as the Franz Joseph Jubilee Travellers' Asylum, can be traced back to the philanthropist Sieberer's donations. He also contributed to the remodelling of the Jesuit church. Unfortunately, only archive photos show the magnificent Unification fountainwhich was erected in 1906 on the then still ostentatious station square in the style of historicism and had to make way for the new transport concept in 1940.

The orphanage and the Emperor Franz Josef travellers' asylum were infrastructure that could not be financed by the city due to the tight financial situation. The aristocracy and the church also ceased to be sponsors after the reforms of 1848. Sieberer felt he belonged to what Max Weber called the Protestant work ethic, but imitated the conservative aristocratic circles in which he had been socialised. The individual, virtuous citizen was to serve as an example to the collective. His two building projects were statements and expressions of a new bourgeois self-image. It is interesting to note that Sieberer, unlike monarchs and princes of the past, did not allow himself to be staged by name on his projects.

In 1909, Sieberer was made an honorary citizen of Innsbruck by Mayor Wilhelm Greil, and in 1910 he was made a baron by the Emperor. In Innsbruck, Siebererstraße in the Saggen district commemorates this great Innsbrucker. A memorial in honour of Sieberer was planned during his lifetime. The First World War and the political and financial problems that followed prevented its erection.