After obtaining his PhD from Frankfurt, he spent two years at Stanford University as a Mellon Fellow.
Düttmann has published a number of authored books, many of which have been translated into several languages (English, Italian, Croatian, Japanese).
His research in the past few years has been focused on the philosophical problem of deconstruction, the concept of exaggeration in philosophy, Theodor Adorno’s moral philosophy and the work of Italian filmmaker Luchino Visconti.
Yet Visconti turns out to be Düttmann's pretext rather than subject, according to Frankfurter Allgemeine Zeitung reviewer Bert Rebhandl: "This is the book's real flaw: We never learn why García Düttmann talks about Visconti at all.
In 2004 the chamber opera Liebeslied / My Suicides, for which he wrote the libretto, and which featured music by Paul Clark and photographs by Rut Blees Luxemburg, opened at the Institute of Contemporary Arts (ICA) in London.