He studied philosophy and law at the University of Vienna where he began his journalistic career by submitting pieces to various newspapers.

In addition to his writing, Groller became the head of the Concordia Press Club as well as a member of the Art Commission of the Austrian Ministry of Culture.

[2] On 16 March 1908, Groller was elected the first President of the Central Association for Common Sports Interests, which became the Austrian Olympic Committee.

Groller was very active in the Viennese literary scene and was friends with many of the most important Austrian authors of the late nineteenth and early twentieth centuries, including Auguste Groner and Bertha von Suttner.

[3] While Groller was a prolific writer, his most famous creation was Dagobert Trostler, a fictional detective known as "The Sherlock Holmes of Vienna."