Leslie Diamond has a long history of giving to the people of British Columbia through her financial support and personal involvement with many organizations.

She is a director of the Diamond Foundation, a founding member of the United Way’s Women in Philanthropy, a member of BC Women’s Hospital Council of Governors and of Women Moving Millions. Mrs. Diamond is a trustee of the University of British Columbia’s Dean of Arts Advisory Board, the Vancouver Art Gallery and the Simon Wiesenthal Center. She is co-chair of the Council of 50 for Simon Fraser University.

She was instrumental in the founding of the Vancouver Friends for Life Society’s Diamond Centre for Living and is an honorary board member. Recently, she and her husband established the Gordon and Leslie Diamond Health Care Centre in Vancouver, the Leslie Diamond Women’s Healthy Heart Clinic at Vancouver General Hospital and the Sadie Diamond Breast Imaging Center at BC Women’s Hospital as well as a major donation to the Neonatal Special Care Department of BC Women’s Hospital.

In 2011, her husband named the Leslie Diamond Chair in Cancer Survivorship at Simon Fraser University in honor of her birthday.

Her awards include Simon Fraser University’s Distinguished Community Leadership Award in 2012, the Commemorative Medal for the 125th Anniversary of the Confederation of Canada and the Queen Elizabeth II Golden Jubilee and Diamond Jubilee Medals.