Karl Fleckenstein

Karl Fleckenstein, 64, passed away peacefully on July 12, 2026.

Born on March 4, 1962, in the Bronx, New York, Karl was the son of Hugo and Philomena Fleckenstein. He built a life defined by hard work, curiosity, and quiet strength. He earned a Bachelor of Arts degree from Mercy College and went on to enjoy a longstanding career in IT Operations Analytics in the financial industry. Throughout his career, he contributed his expertise to respected financial institutions, including Lehman Brothers and Barclays Bank, where he was known for his professionalism, analytical skills, and dedication.

Outside of work, Karl embraced life with enthusiasm. He had a lifelong appreciation for sports cars, especially Mustangs, and enjoyed traveling, attending rock concerts, and collecting guitars. His love of music and adventure reflected the many interests that brought him happiness throughout his life.

 Karl was a private man whose actions spoke louder than words. He was a good man, a devoted father, a caring cousin, and a loyal friend. Those who knew him will remember his quiet presence, steady character, and the genuine kindness he showed to the people in his life.

Karl is survived by his beloved daughter, Genevieve Fleckenstein; his former wife, Marlene; and his sister, Kathleen. He was predeceased by his parents, Hugo and Philomena Fleckenstein.

Karl's memory will live on in the hearts of his family, friends, and all who had the privilege of knowing him. He will be deeply missed and forever remembered. May he rest in peace.

Family and friends are invited to Pleasant Manor Funeral Home, Inc. 575 Columbus Avenue - Thornwood, New York 10594 on Friday, July 17, 2026 from 10:00 - 12:00 PM for funeral services.  Karl will be laid to rest in his family crypt at The Ferncliff Cemetery in Hartsdale, New York following the funeral services at Pleasant Manor. 

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