Mary DeMarle | |
|---|---|
 DeMarle at Game Developers Conference Online 2012 | |
| Occupation | Video game writer |
| Years active | 1997–present |
| Employer | BioWare |
| Known for | Deus Ex prequels |
| Title | Senior Narrative Director |
Mary DeMarle is a video game writer. She is most well known for her work with the Myst and Deus Ex series of games.