John was born in Paterson, New Jersey on February 9, 1958 along with his twin sister Joan to Amund J. Olsen and Doris J. Olsen, He was predeceased by his maternal grandparents Abram and Marie Smith and parents. He is survived by three brothers and one sister, the eldest Amund J. Olsen Jr. and wife Josee, Robert J. Olsen and Donna, nephew Robbie Olsen and Kelly , niece Erika Friedman and Todd, great grand niece Jordyn and grand nephew Mason, his sister Joan Fasciana and Louis, nephew Matthew, and Christopher J. Olsen and Denise, and niece Jessica. He has a maternal aunt Joan Smith, cousin Janet McCourt and Brian, nieces and great nephew and niece and cousin Nancy Smith. The family moved from New Jersey to North Palm Beach, Fl in 1963 where he developed his love of the sea and fishing. The home was on a canal which lead to the ocean. He loved to fish and dive. He enjoyed the outdoors , animals and loved his friends and family. John had a creative nature and incorporated much of his love of the sea into his artwork. He excelled in art and music. He played rhythm guitar and played in a band. He also taught guitar lessons to his friends. He served in the U.S. Army from 1975 to 1979. He was stationed in Germany during peacetime. His duties were as a mechanic and some munitions. He returned to Florida and moved to Palm Beach Gardens with his mother and sister. He never married. He and mother lived there for 30 years before making a final move to Sebastian, Florida in 2018. He purchased a home with his sister and her family and took their mother to reside also. She passed in 2023. John was beloved by his family and many friends, all say what a gentle soul. He shall be missed. In lieu of flowers, donations can be made to tunnel 2 towers foundation, wounded warrior project.