

Husband of Audrey Adreon, father of Diane Adreon, Linda Morgan and the late Carol Grady, Grandfather of Rachel and Jason Gillman, Andrew and Adreon Morgan, Kelly Grady Lee and Thomas Grady Jr., Great Grandfather of Simone Ella Lee. Pre-deceased by brother, Merton Adreon, and parents, Irvan Adreon and Marie Adreon Morris.
Leonard graduated from Soldan High School where he majored in football and basketball. He graduated with honors from Washington University in St. Louis, elected to Beta Gamma Sigma, national business school honorary society and lettered in basketball. He had a successful career for 36 years as Executive Vice President of The Siteman Organization in real estate development and management, headquartered in Clayton.
He served as president of many organizations including the Building Owners and Managers Association International (BOMA), American Diabetes Association St. Louis Affiliate, Diabetic Children’s Welfare Association, Congregation Temple Israel, First Chairman of the Economic Development Advisory Committee of Clayton, Vice Chairman of the Regional Arts Commission.
In 1976 he was awarded the Presidents award for outstanding service to the office building industry by Boma International. In January 2003 he received the prestigious Cornerstone Award from the Clayton Chamber for “dedication and devotion to the Clayton community.” Adreon was a co-founder of the Chamber’s Party in the Park annual event.
He was very proud of his military service as a Navy corpsman serving in combat with the First Marine Division in Korea in 1951 and 1952. He wrote and published a memoir called Hilltop Doc, A Marine Corpsman Fighting Through the Mud and Blood of the Korean War.
Leonard, above all else, was a devoted husband to Audrey for more than 69 years. He cherished his daughters and their families and spent many glorious hours with them.
A private family service will be held at the New Mt. Sinai Mausoleum.
In lieu of flowers contributions to Congregation Temple Israel, #1 Alvan D. Rubin Drive, St. Louis, Mo. 63141, will be appreciated.
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