Vincent Kapoor works at NASA as Director of the Mars Mission.
In the movie he is an Indian-African-American man (Played by Chiwetel Ejiofor) who is one of the first of two people to realise Mark was alive directly after Mindy Park. He is the first person to establish contact with Mark Watney. His parents were Baptist and Hindu.
In the novel he is Venkat Kapoor and is only Hindu.