Nina Sharp was the C.E.O. Of Massive Dynamics. She has a cybernetic arm, claiming it to be cancer but what actually happened was her arm got torn off when she was trying to stop Walter Bishop from going in the portal. Nina had a relationship with William Bell (Massive Dynamics Founder). Nina finished a degree in robotics in Harvard University, later becoming employed at Massive Dynamics. She soon meets up with Olivia Dunham in a slightly sarcastic way, becoming her enemy when Olivia said she will tell Peter Bishop that he is really from a parallel universe. Nina soon befriends Olivia when she realises she needs to work with them to help Peter's case.
Nina shows a Sarcastic personality throught the series, she is very hard to befriend and has almost no sense of humor.
- Nina was originally designed to be the main antagonist of the series but later was changed to being an Anti Hero.
- Nina shot herself in 2030 when a bunch of observers interogated her.
- Nina was shot by two terrorist ZTF assasins.