Grossmann, Michael D., 60, passed away on February 1, 2023. Predeceased by his beloved parents Albert and Theresa. Loving brother of Susan Witt, Steven, Deborah and Mark. Cherished uncle of Jonathan, Daniel, Nicole, Jason and Asher. Adored great-uncle of 9 great-nieces and great-nephews. The family will receive visitors Friday, February 3rd, 5-9 pm at Arthur F. White Funeral Home, Inc., 315 Conklin Street, Farmingdale. Funeral Service Saturday, February 4th, 9:30 am at the funeral home. Interment following at Mount Pleasant Cemetery, Center Moriches.