Jack Winder Koch, age 19, of Locust Valley passed away on May 28th, 2023. Jack is the beloved son of Kate and Thomas, a proud big brother to William and Henry. He is also survived by his grandparents, Mary Ann Koch Betz, Nancy Holt, George Whalen (Tammy Whalen,) and the late Donald Koch and Joseph Betz. He is also survived by many loving aunts, uncles, cousins and friends.

Jack graduated from Locust Valley High School in June, 2022 and had just completed his freshman year at the University of Wisconsin, Madison studying computer engineering. Jack was a devoted Badger and a member of the Beta-Xi chapter of Pi Kappa Alpha. He loved college life and the new friends he made there.

Jack was loyal, kind, hard-working and had a huge heart with smile that lit up a room. A great friend to all. He had a curious mind and a true entrepreneurial spirit who was dedicated to bringing his dreams to life. He had many plans for the future, and wanted to make the world a better place. His family will miss him dearly and mourn his dreams yet realized. They take solace in the gift of loving such an extraordinary young man. They hope all who loved him will join in holding Jack in their hearts, always.

A celebration of Jack’s life will take place on Tuesday, June 6th at 10:00 a.m. at St. Dominic Church in Oyster Bay. A reception will immediately follow at Old Westbury Gardens. The service and reception are open to the community. Jack’s family wishes to honor his love of the water and asks all in attendance to wear hues of blue to celebrate his life.