[5] From 2008, he was a member of the "junge Ensemble" (jE) of the Friedrichstadt-Palast, where he studied singing, acting and dance from 2008 to 2011.

(2010), he played the role of Marc, the keyboarder of the rock band, alongside Maria Ehrich and Emilia Schüle.

[10] In the film comedy Fack ju Göhte 2 (2015), Reiber played the role of Etienne ("Ploppi").

[12] In 2016, he received together with Anna Lena Klenke, Max von der Groeben and Jella Haase, the Bavarian Film Award.

In the ZDF television comedy Friendship on Hold [de], he played Henry, the friend of the drug-consuming 17-year-old son of the mayor Bea Westkamp (Johanna Gastdorf).

In the ZDF thriller Die Mutter des Mörders (The mother of the murderer), he had the lead role, on the side of Natalia Wörner.

He played Matis, the 20-year-old, mentally handicapped son of the supermarket saleswoman Maria,[2] who comes under suspicion of murder after a violent crime.

He had further episodes of main roles in the television series Heldt (2013, as paraplegic accident victim Manuel Unterberg) and in Leipzig Homicide (2013, the best friend of a young man who died of an overdose of crystal meth).

His stage partners were Peggy Lukac (as grandmother) and Chiara Schoras (as Aunt Bella).