KOSINSKI, JOHN THOMAS of Pontiac, formerly of River Rouge, passed away August 9, 2021 at 61 years of age. Loving husband of Susan for 17 years; brother of Tim and Rex Kosinski; uncle of Aaron, Timothy and Alina Kosinski, and Kevin Sebastian; son in law of Wesley and Verna Sebastian; brother in law of Charles (Nancy) Sebastian and the late Kathy Sebastian. Preceded in death by his parents John and Lois (nee Waterman) Kosinski. John was born in Highland Park and graduated from University of Michigan with a bachelor degree in electrical engineering. He retired from Visteon in 2016. As an electrical engineer, John surprised many with his artistic flair with digital art and his piano playing. A well know "foodie" he enjoyed good wine and good food; gardening; and late in life extrovert in his neighborhood. His easy going manner will be missed by his family, friends, and neighbors.