She has a master's degree in architecture from the Federal University of Rio Grande do Sul and has worked with illustration since 1993, mainly with publishers of the Franco-Belgian comics market.

[1][2][3] Her first work was for European publisher Éditions Daniel Maghen in 2009, being responsible for the art of the two volumes of the graphic novel Awrah, written by Fuat Erkol and Christian Simon.

Koehler has also worked for publishers such as Soleil Productions, Fauvard and DC Comics, among others, as well as creating scientific illustrations of Archeology and History.

The work was developed in parallel to Koehler's Master dissertation, whose theme was the urban changes of the region of Beco do Rosário.

[5][6] In 2016, Koehler won the Troféu HQ Mix, the most important Brazilian comic book award, in the category "best independent author publication" by her graphic novel Beco do Rosario.