The phrase "a past trustee" is correct and usable in written English.
It can be used to refer to someone who previously held the position of a trustee in an organization or trust.
Example: "As a past trustee, she has valuable insights into the organization's history and decision-making processes."
Alternatives: "a former trustee" or "an ex-trustee".
A past trustee of the Indian Mountain School.
She was a past trustee of the McCarter Theatre Center and Princeton Day School.
Lawrence J. Tamburri, the former executive director and a past trustee of the orchestra -- who was the principle broker of the deal -- declined to comment on the controversy.
She was the first woman appointed to serve as Trustee of St. Patrick's Cathedral, she also served as a Trustee of Inner-City Scholarship Fund, as Calvary Fund Board Trustee Emerita and as a past Trustee of Best Buddies International.
In New Orleans he also served on the Business Council of New Orleans and the River Region and was a past trustee of the Tulane Medical Center, The New Orleans Museum of Art, the New Orleans Symphony and the New Orleans Opera Association.
He is President-Elect of the Group for Advancement of Psychiatry, and a Past Trustee of both the Accreditation Council for Psychoanalytic Education and the American Academy of Psychoanalysis and Dynamic Psychiatry.
The New York Society Library mourns the death of its past trustee and member for 70 years.
The Trustees and staff of the Intrepid Museum mourn the passing of Steven Wallace, past Trustee of Intrepid and Marine veteran, true patriot and lifelong friend to all in uniform.
The Abraham Joshua Heschel School community mourns the passing of Ruth Abrams, beloved mother of our past trustee Judy Steinhardt and motherin-law of Michael Steinhardt.
Blythedale Children's Hospital sadly notes the passing of our friend John Menke, husband of our past Trustee, Betty Menke.
Beloved and dedicated former teacher and headmistress of Convent of the Sacred Heart, Greenwich, CT, past trustee and mentor to generations of alumnae and staff passed away on Monday, September 27th.
