The phrase "former superior" is correct and usable in written English.
This phrase usually refers to a person who has had a position of authority over you that has since ended. For example: "After working for him for several years, I had to adjust to a new boss since my former superior had left for a new job."
Chait: Rand's inner circle turned quickly and viciously on their former superior [i.e., Branden].
Due to an editing cut, the original said that Davies is a senior adviser to the Monitor Group, as is Sir Richard Dearlove, his former superior at MI6.
So is Sir Richard Dearlove, his former superior at MI6. Monitor ran a two year public relations campaign on behalf of the Libyan government.
In exchange for a reduced sentence, he coöperated with the government against his former superior, an Army captain, who recently pleaded guilty to similar charges.
The ad quotes a former superior as saying Dr. Carmona banged on the door of her house in the middle of the night.
Sami Anan, his former superior in the army, mounted a short-lived rival campaign, while Ahmed Shafik, Mubarak's last prime minister, was heard in a leaked recording lambasting the "circus" surrounding Sisi, and speculating that his victory would be fixed.
Gray, a former superior-court judge in Orange County, California, was Johnson's running mate in 2012.
More junior officers are taking the posts of their former superiors, and some Scaf members are shifting positions.
But three of their former superiors, all commanders in the Bosnian Army, were arrested for war crimes and brought to The Hague earlier this month to stand trial.
Ms. Edwards may now also testify to federal prosecutors about senior members of the bank to whom she reported, raising possible problems for her former superiors.
Ignoring pleas from his former superiors not to disclose the truth about the POWs' treatment, Tono revealed all in Disgrace, his meticulously researched account of the crimes.
