Dr Terrence McAfferty was the chairman before Zara Asker. He is Scottish. His father (Charles Henderson) founded C.H.E.R.U.B.After he retired, he was deeply hurt by the death of his wife, daughter-in-law, and two of his grandchildren, which happened in a plane accident. The true reasons why the plane crashed were shown in The Sleepwalker. He is called Mac by the C.H.E.R.U.B spies, and had a regular stream of punishments, whilst Zara Asker punished people according to her mood.He was the resistance commander in Fort Reagan, called Sheik McAfferty.
Terrence McAfferty was Zara Asker's predecessor and the staff member that recruited James Adams into CHERUB.
Father: Charles Henderson
Mother: Joan Henderson
"Mac" also has a wife, at least one son and at least 2 grandchildren
Mac was responsible for James being punished multiple times in man v beast he lets James of with a warning after being blackmailed by Lauren into helping rat an d jake parker