Robert Bartneck was born in Hannover. Commencing his vocal studies at the University of music and performing arts Graz under the tutelage of Professor Ulf Bästlein, he finished his Master studies by Professor Elisabeth Beatrice in 2016. During the course of his studies he was educated in Song and Oratory interpretation by Josef Breinl and Robert Heimann. He also participated in additional masterclasses with Brigitte Fassbaender, Angelika Kirschlager, Kurt Equiluz and Helena Kaupová.

Robert Bartneck has had his debut at the Graz opera house in the season 2014/2015 as Maurizio di Mauro (Elisabeth Naskes opera »Der satanarchäolügenialkohöllische Wunschpunsch« by Michael Ende). He has participated in many other Opera Productions in Austria and Germany, namely as Fenton (»Die lustigen Weiber von Windsor«), Basilio (»Le nozze di Figaro«), Gherardo (»Gianni Schicchi«), Iro (»Il ritorno d’Ulisse in patria«), Mercurio (»Dafne in lauro«) and several others. In 2012 he was cast in the role of Delil of Verdis Giovanna d'Arco, produced by the music society of Styria and performed by the Radio Symphony Orchestra Vienna. From the Season 2017/18 he is a cast member at the Statetheater of Meiningen.

Robert Bartneck supplements his artistic activities with numerous concerts, several of them broadcast by the Austrian Radio. Examples include the broadcast of Giovanna d'Arco as well as the first performance ever of Hüttenbrenners mass in G major. His concert repertoire includes diverse oratory pieces like Bachs St. Johns Passion, Christmasoratorio, Magnificat, Mass in b minor, Händels »Messiah«, Haydns »Creation« as well pieces by Motart and Martin. He was a guest in several festivals like »Zagreb Classic« and »Philharmonic Sounds in styria « where he appeared together with the Barockensemble of the Vienna Philharmonic Orchestra »Ornamentum« at the.

Other concerts he has had in Germany, Hungary, Greece, Czech Republic, China and the USA.