Otto Treider

Otto Halfdan Treider (October 6, 1856 – April 6, 1928) was a Norwegian educator and preacher.

[1] Treider was born in Drøbak.

[1][2] The institution soon became Norway's largest and leading business school.

As a preacher, Treider supported the Free Church movement[3] and led a group known as the Treider Circle.

[4] In 1891 he built the Calmeyer Street Mission House in Oslo.