Dr. Thomas L. Korzeniowski, 68, died Sunday June 4, 2023, at Baystate Medical Center surrounded by his loving family. Born in Springfield, December 29, 1954, he was the son of the late John and Anna (Murdzia) Korzeniowski. Tom was a graduate of West Springfield High School and the Mass Institute of Technology. He then received his Masters Degree and his PHD from the University of Massachusetts in Engineering. He worked at various companies including Raytheon and the Sanders Corporation as an Electrical Engineer. He leaves his beloved fiancé, Donna Dubour, his beloved brothers, Walter R. and his longtime girlfriend Sharon of Springfield, Carl J. and his wife Debbie of Granby and Richard J. and his wife Holly of West Springfield, his beloved nieces and nephews, EL, Heather, Christopher, Cara and Chelsea. He now joins his beloved Godson, Jared Korzeniowski who passed away in 2022. A funeral home service will be held Monday June 12, 2023, at 11:30AM from the Toomey-O’Brien Funeral Home 1043 Westfield St West Springfield with calling hours from 10-11:30AM. Burial will follow in St. Stanislaus Cemetery in Chicopee.