Sibylle studied Theatre Studies at LMU Munich. At the same time, she worked for Tele 5 as a set production manager on various live and studio productions. After graduating, she joined Nova Film in Berlin in 1995, where she worked in a variety of positions.

As an assistant director, Sibylle worked on more than 100 national and international TV movies and feature films, collaborating with all the major production companies and renowned directors in Germany. Among others, she contributed to successful series and TV movies such as Der Kriminalist (ZDF), Tatort (ARD), and Polizeiruf 110 (ARD), as well as internationally distributed feature films like Resturlaub, Spieltrieb, and Death of a Superhero.

After completing a postgraduate degree in Creative Producing, Sibylle joined Bantry Bay as a producer in 2015, where she was responsible for two seasons of the ZDF series Herzensbrecher – Vater von vier Söhnen and also drove the development of several new projects (including Zarah – Wilde Jahre).

Since May 2017, Sibylle has been part of the Dreamtool team. She has overseen the feature film Liliane Susewind, 11 episodes of the successful Ella Schön series, as well as a movie of the week for ARD primetime. Currently, Sibylle is serving as creative executive for the ZDF series Dr. Nice, where she plays a key role in both its production and development.