cocreator
/kɒkrɪˈeɪtər/Definitions
1. noun
A person who, along with another, creates something, such as a work of art or a company.
“The film’s cocreators received numerous awards for their innovative storytelling.”
2. verb
To create something, such as a work of art or a company, in collaboration with another person.
“The two entrepreneurs cocreated a successful startup with their innovative idea.”