Gideon Malick in 2012 served on the World Security Council, that oversees S.H.I.E.L.D and served as Nick Fury's advisors' during the Battle of New York, however secretly a HYDRA infiltrator.
After the fall of S.H.I.E.L.D., and the death of Doctor List and Wolfgang von Strucker, the heads of HYDRA, Gideon Malick became the new head of HYDRA. Gideon Malick was responsible for the threat of manipulating the AUTC for collecting powerful Inhumans as he was an advisor to the the president and serving on the World Security Council he was to powerful even too be taken down by the president. He also joined with Grant Ward in destroying SHIELD.
Trivia
This was Powers Boothe's last role before his death in 2017.