Bundi grew up in
Nussbaumen in the municipality of
Obersiggenthal near
Baden in the canton of
Aargau. After graduating from high school, he studied philosophy, new German literature and linguistics at the
University of Zurich. During his studies, he worked as a sports editor at the ''
from 1995 to 1996, after which he was culture editor at the Aargauer Zeitung'' until 2005. In 2001 and 2002, Markus Bundi served on the program committee of the . Since 2005, he has taught philosophy and German at the
Old Cantonal School Aarau. Bundi became known to a wider audience with his 2011 novella ''Emilie's Silence
(), in which Emilie T., a nurse accused of killing more than 70 patients, does not speak a word during the entire trial. Instead, her young public defender, David Moor, speaks, and through his strategy of in dubio pro reo'' he achieves an acquittal despite being convinced of Emilie's guilt. The story received positive reviews outside Switzerland as well. In January 2021, Bundi's
dystopian novel
The Last Colony () was published, in which he tells the story of the last human colony living underground in a state of twilight. Since 2001, Bundi has worked as a writer and as the editor of the edition of
Klaus Merz's works at . At , he edited the poetry series "The Row" () since 2010, in which at least four titles were published each year. ==Personal life==