||Mark David Protosevich
August 24, 1961
Chicago, Illinois, U.S.
||Film producer, screenwriter
Mark David Protosevich (born August 24, 1961) is an American screenwriter. He has written screenplays for the films Poseidon and I Am Legend.
Protosevich was born in Chicago, Illinois and is an alumnus of Columbia College Chicago.
Protosevich also wrote the script for the unproduced Batman Triumphant.