Karl F. Ebner

Karl F. Ebner, of Waltham, died on November 30, 2025, after a short illness. As the oldest of four children, Karl was born November 30, 1957 in Boston MA. He is survived by two brothers, John Ebner and partner Cindy Farrar (Portland, Oregon), Merrill Ebner and wife Kathy Decker (Bar Harbor, ME), and a sister, Martha Ebner and husband Benjamin Spencer (Northampton, MA). Karl was formerly married to Aichu Li. He leaves six nieces and nephews and extended family and is pre-deceased by his parents Merrill Lee Ebner and June Florence Ebner.
Karl grew up in Arlington, MA, and attended Arlington High School, graduating in the Class of 1975. In high school Karl was an excellent student and athlete, who excelled in science and played on the varsity tennis team. After high school Karl attended Boston University where he earned a M.S/B.S. in Software Engineering in1980. After college, Karl worked at Bolt, Beranek and Newman (BBN) as well as Digital Equipment Corporation where he became an expert in high reliability computer systems. Subsequently, he had an active consulting practice.
Karl lived his life in the Boston area and after college settled in Waltham, MA. He enjoyed the outdoors, canoeing, and camping. Playing the piano brought him much joy over the years as did his appreciation of the arts. Karl valued the importance of family and friends. He was a devoted son to both his parents. All of Karl's relationships were important to him. He developed a close-knit community of friends during his 40 years in Waltham. He particularly loved his dog Lucy who passed away in 2024. Karl was a clever, kind, and thoughtful person who would do anything for those he loved. He will be deeply missed by all who knew him.
A celebration of life will be arranged at a later date. In lieu of flowers, donations can be made to MSPC-Angell in Boston or to a non-profit of your choice To send flowers to the family or plant a tree in memory of Karl, please visit our floral store.