It's possible this is a misspelling or a less-known individual. To help me find the right person, could you please provide:
* Any additional information about Ken Kushner, such as their age, profession, or any other projects they might have worked on.
* The context in which you encountered this name. Are you trying to find a specific project? Are you looking for their filmography?
With more details, I can better assist you in finding information about Ken Kushner.