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profile picture of david marsh from the zojoi website.jpg dave marsh -lrb- game developer -rrb-
 david r. marsh
dave marsh -lrb- game developer -rrb-

david r. marsh -lrb- born november 5 , 1964 -rrb- is an american video game designer known for his work supporting the intellectual properties that used to belong to icom simulations , and creating the macventure game `` shadowgate '' .
as of 2012 , he recently founded a new game development company called zojoi , llc with plans to release new , remastered and revised versions of games created by him and karl roelofs when they were at icom simulations .
