Johan Sigfrid Sirén

Johan Sigfrid Sirén (27 May 1889 – 5 March 1961) was a Finnish architect.

[1] In 1907, he graduated from high school and started his studies at the Helsinki University of Technology.

[1] The three soon parted ways and Sirén continued work on the Parliament House alone.

[1] Sirén went on to hold his own office, and his later work included the expansion of the main building of the University of Helsinki.

[1] In 1931, Sirén was also appointed a professor of architecture at the Helsinki University of Technology.