Born in Eisenstadt, Austria, Lattner studied at the Akademie der Bildenden Künste, Vienna in the early 90s. He later completed a yearlong program with the Whitney Museum in New York. He has presented exhibitions, projects, and performances at: ICA London, PS1/MoMA NY, The Kitchen NY, and deaf03 Rotterdam, among others. His radio works have been presented by stations including: wkcr, wfmu, Tilos Radio (Budapest), Radio Nova (Paris), Kunstradio, and Radio Orange (Vienna).

Lattner has collaborated with a wide range of artists including Dean Roberts, Kaffe Matthews, Daniela Swarowsky, Shelley Hirsch, Christopher Charles, Werner Dafeldecker, Betalogic, and many others.
He is part of the artist group e-Xplo and has organized the event series, Orginalfassung, to which people of a broad range of professions in the arts were invited to introduce their work.

Recent projects include "Down a Little Road" – audio memories from his acoustic travelogue; a guided tour from Brooklyn to the shores of the Arabic Emirates, from Berlin to Beijing, from Newcastle to Budapest, from Mexico to Massachusetts and from Vienna to Sardegna, presented at Errant Bodies in Berlin, and “The Silbadores”, in which Lattner examines the phenomenon of voice and communication.