Hasselriis was born in Hillerød, the son of Herman Edvard Louis H (1815–1907) and Sophie Frederikke Schondel (1802–55).

Gis mother had previously been married to pharmacist in Hillerød Ebbe Madsen Andresen, 1802–38) and her new husband took over the pharmacy in connection with their wedding.

He attended the Royal Danish Academy of Fine Arts in 1859–66 and won the small gold medal in 1868 for David forbereder sig til kamp med Goliath.

In Denmark he created a statue of William Shakespeare for Helsingør and memorials to national heroes such as Peder Griffenfeld (Copenhagen) and Hans Christian Andersen (Odense)).

After her death it was removed from its original location by the antisemitic Kaiser Wilhelm II, and was rejected when offered to the city of Hamburg.