Priscilla Sinclair. Agent Sinclair. PhD in Nuclear Engineering. Formerly used to work for NASA. Now with S.H.I.E.L.D. In a part of Coulson’s team. Ward and her are really good friends sometimes the team can't tell if they are something or just friends. Ward still with S.H.I.E.L.D. Priscilla is the best for anything nuclear or in that area, and is good at combat fighting too.