A. Mark Ratner
| A. Mark Ratner | |
|---|---|
| Born | November 1948 (age 76–77) New Jersey, United States | 
| Occupation | Writer, game designer, college professor | 
| Genre | Wargames | 
A. Mark Ratner (born November 1948 in New Jersey, United States) is an American game designer, notable for his work on Space Marines and Space Opera.