The phrase "a former administrator" is correct and usable in written English.
It can be used to refer to someone who previously held the position of administrator but no longer does.
Example: "After years of dedicated service, she stepped down as a former administrator to pursue other opportunities."
Alternatives: "a past administrator" or "an ex-administrator".
Ms. Browner, a former administrator of the Environmental Protection Agency, was charged with directing the administration's effort to enact comprehensive legislation to reduce emissions of climate-altering gases and moving the country away from a dependence on dirty-burning fossil fuels.
JOAN CLAYBROOK Washington, Oct. 4, 2013 The writer is a former administrator of the National Highway Traffic Safety Administration.
Ms. Meek, a former administrator for Miami-Dade Community College, was elected to the state House in 1978.
They were visiting with Mac Moss, a former administrator at the Gander campus of the College of the North Atlantic, a trade school.
Delores was for many years a Director of Exchange with The American Scandinavian Foundation and a former administrator with The Institute of International Education.
— Caixin Mr. Song cited the case of Zhou Jinhuo, a former administrator in Fujian Province who has become a kind of poster boy for official malfeasance in China.
JOAN B. CLAYBROOK Washington, Feb. 14, 2012 The writer, president emeritus of Public Citizen, is a former administrator of the National Highway Traffic Safety Administration, 1977-81.
Ms. Mocete, a former administrator in a medical office, was vacationing in Savannah, Ga., when she was struck by inspiration in a small ice cream shop.
As a former administrator and teacher for more than 40 years, I feel qualified to say that our teachers need more support from every sector of society.
DOUGLAS--Paul W. Paul W. Douglas, a former administrator of the Marshall Plan and minerals executive, died on September 18 , 2011in New York City.
Dr. Patterson, a former administrator at St. Elizabeth's hospital for the criminally insane in Washington, was hired at the prosecutors' recommendation.
