Jonathan L. S. Byrnes, age 75 years, of Lexington died peacefully on Tuesday, May 7, 2024.
For 47 years, he was the beloved husband of Marsha (Feinman) Byrnes. Loving father of Dan and Steve Byrnes and father-in-law of Nicole Ledoux and the late Kristin Szatkiewicz Byrnes. Adored grandfather of Edison, George and Adrian. Dear brother of Pamela Byrnes & Rick Jacobsen. He was an independent consultant and cofounder of Profit Isle, Inc. He taught Supply Chain Management at MIT for 33 years, and was President of the Harvard Alumni Association from 2007-8.
Services at Temple Isaiah, 55 Lincoln St., Lexington on Friday, May 10 at 10am with livestream viewing available using the following link: https://templeisaiahlexington.livecontrol.tv/78d73384
Burial at Beit Olam East Cemetery, 42 Concord Rd., Wayland.
Memorial observance at his late residence on Saturday from 7-9pm and Sunday from 2-4pm & 7-9pm, with a minyan service at 7:30 each evening.
In lieu of flowers, remembrances may be made to Dana-Farber Cancer Center in gratitude to Dr. Chouieri, http://danafarber.jimmyfund.org/goto/tonichoueiri or the Experimental Model of Human Sarcoma Fund, https://together.uw.edu/Campaign/Kristin