He was born and raised in Lichterfelde before moving to Kreuzberg when he was 14. His mother is Claudia Reiber and he has a sister, Lisa Reiber. His father became a vegan. Reiber first appeared on stage in 2003 at the age of ten; he impersonated the young Gavroche in the musical Les Misérables at the Theater des Westens. From 2008, he was a member of the "junge Ensemble" of the Friedrichstadt-Palast, where he studied singing, acting and dance from 2008 to 2011. He took part in several productions there. From 2011 onwards, further acting coachings and singing lessons followed. In 2009, under the direction of Peter Keglevic, he played his first film role in the two-part television film Ken Follett's Eisfieber. He impersonated the teenager Craig alongside Heiner Lauterbach and Sophie von Kessel. In his first feature film, the youth film Rock It!, he played the role of Marc, the keyboarder of the rock band, alongside Maria Ehrich and Emilia Schüle. Before the film, he had keyboard lessons for six years and then got guitar lessons for the film. In 2011, he starred alongside Christian Ulmen in the feature film Einer wie Bruno; he played the young musician Benny Schmidtbauer. In the film comedy Fack ju Göhte 2, Reiber played the role of Etienne. a boy with Asperger's Syndrome. In the opinion of Christoph Schröder, Reiber formed "the only ray of hope" in Fack ju Göhte 2 in the weekly newspaperDie Zeit. In 2016, he received together with Anna Lena Klenke, Max von der Groeben and Jella Haase, the Bavarian Film Award. Reiber then participated in several television films in major and minor roles. In the ZDF channel three-part Das Adlon. Eine Familiensaga, he had in the 3rd part of the small role of bellboy Raphael. In the ZDF television comedyZwei mitten im Leben, he played Henry, the friend of the drug-consuming 17-year-old son of the mayor Bea Westkamp. In the ARDTV movieSprung ins Leben, he appeared in March 2014, alongside Simone Thomalla, in his first major role on television. He played in the talented football player Sebastian, who sits in a wheelchair after a car accident. He excelled in his role a "sensitive portrait of a traumatized young people". In the TV two-parter Die Himmelsleiter in 2015, he played Bruno Zettler, the son of Cologne based black market dealer and former NS - Ortsgruppenleiter Armin Zettler. In the ZDF thriller Die Mutter des Mörders, 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, who comes under suspicion of murder after a violent crime. For his acting performance, he was awarded the 2016 New Faces Award. Reiber also took over roles in television series. In the third season of the RTL series Doctor's Diary, he played in the scenes with the childhood memories the role of the young Marc Meier, played by Florian David Fitz. In the multi-award-winning Disney series Binny and the Ghost, he was in both seasons as Niklas Neudecker in front of the camera. Two episodes in which he starred as episodes were awarded the 'Goldener Spatz' in 2015. He had further episodes of main roles in the television series Heldt and in Leipzig Homicide. In January 2017, Reiber was in the ZDF crime series SOKO 5113 in an episode main role to see; he played Matti Fauser, the ex-boyfriend of a dead youngster tennis player. In addition to his film career, Reiber occasionally performs in the theater. In March / April 2013, he appeared in the theater on the Kurfürstendamm in Berlin in the role of teenage and half-orphan Jay in the tragicomedy A normal family by Neil Simon. His stage partners were Peggy Lukac and Chiara Schoras. Reiber is a member of the Deutsche Filmakademie.
Awards
2016: Bavarian Film Award for Best Young Actor for film Fack Ju Göhte 2