The phrase "a former instructor of" is correct and usable in written English.
It can be used when referring to someone who previously taught or held a teaching position in a specific subject or institution.
Example: "Dr. Smith is a former instructor of mathematics at the university."
Alternatives: "a previous teacher of" or "an ex-instructor of".
A former instructor of his introduced him to Krakauer, who was looking for a game designer.
"Our greatest export has been our people," said Professor John Kelly, a former instructor of Mr. O'Reilly.
A former instructor of Wilson's had sent him a tape of Knowles speaking, and Wilson was struck by his way of articulating what he saw.
In 1987 a former instructor of Transcendental Meditation successfully sued the organization, alleging that the program had failed to deliver on its promises.
In the camp's oldest section, around the Champs-Élysées, Mohammad al-Hariri, 48, a former instructor of air-conditioner maintenance in the Syrian city of Dara'a, had emerged as a leader.
As a former instructor of speech communication, with an interest in getting back into teaching, I wish I could have stayed for more of the discussion on how faculty can help with the diversity initiative.
Victoria Gatsiopoulos, a former instructor and director of career services at a Kaplan College in Pittsburgh, said in her complaint that the school made promises to students of "how their lives will magically change" if they attended Kaplan classes.
Ethel Maqeda, a former instructor at the University of Zimbabwe, fled the country in 2005 after repeated threats and raids on her home by supporters of the government of President Robert Mugabe.
Among those voices: Che "Rhymefest" Smith, a Grammy-winning rapper and activist; Hector Gonzalez, a former instructor at the University of Hip-Hop on the South Side; Rafael Vargas, a Philly-raised hip-hop lover turned education lawyer; and Brian Sleet, whose neighborhood ties and hip-hop connections run deep.
In the new paper, Dr. Bush and Morris Flynn, a former instructor at M.I.T., calculated details of the insects' diving ability based on the structure of the hairs, including how deep they can go before water pressure overcomes the water repellence and collapses the bubble.
It includes a photograph of a man identified as a former instructor in hand-to-hand combat for the Marines.
