Which individual is NOT a coordinator listed in the provided text?

Mark Johnson is identified as the correct answer because he is not mentioned as a coordinator in the provided text. In the context of the question, the role of coordinators typically refers to individuals specifically designated or recognized in a particular capacity within an organization or initiative related to MADDRAMA projects.

The other individuals—Shawn Hughes, Timothy Jones, and Prince Duren—are referenced in the material as coordinators, playing a role in organizing or facilitating artistic initiatives that align with the values of making impactful and meaningful art. This suggests that their contributions are recognized within the framework of the program, whereas Mark Johnson does not have that designation in the context given.