Nelly Winterhalder, born in Germany in 1979, is a playwright, director and translator. In addition to a master's degree in playwriting from the Academy of Theater in Oslo, she has a master's degree in literary studies and acting education from Munich.
Winterhalder moved to Norway in 2006 and since worked in a number of different roles and languages. In 2019, she established the live-art-cooperative Ann Sam Bell. Nelly made her debut as a playwright in Norway with alt i boks (Everything sorted) at the Norwegian Drama Festival in 2009. Since then, her works have been shown in Norway, Germany, Switzerland, Austria, Italy and Nicaragua.