Mark Michael Constantinou, fell asleep in our Lord on June 27, 2022. Beloved husband of Eygenia "Jenny" Constantinou, nee Sianis. Proud father of Ioanna and Michalis Constantinou. Cherished son of Joan (nee Roumeles) and Michael Constantinou, grandson of Helen Roumeles and son-in-law of Irene and Sotirios Sianis. Loving brother of Andrew (Rita) Constantinou and Gregory Constantinou and brother-in-law of Vasilios (Boriana) Sianis, Athanasios (Eleni) Sianis, Apostolos (Panagiota "Pam") Sianis, Theofanis (Jenn) Sianis, and Panagiota Sianis. Loving uncle, nephew, cousin, godfather, godson and friend to many who will miss him greatly. Dedicated and proud General Manager/COO of Westmoreland Country Club in Wilmette, Illinois. Visitation Wednesday, June 29 from 4:00 PM to 8:00 PM at Nelson Funeral Home, 820 West Talcott Road, Park Ridge, IL 60068. Funeral Service Thursday, June 30, 11:30 AM at Saint Haralambos Greek Orthodox Church, 7373 North Caldwell Avenue, Niles, IL 60714. Interment to follow at Ridgewood Cemetery, Des Plaines, IL. In lieu of flowers, memorial contributions in Mark's name to Westmoreland Scholarship Foundation, Sarcoma Foundation of America, or the charity of your choice would appreciated.