Carl David Riska, 69 of Summerville, SC, passed away May 19, 2016. Born in Pittsburgh, PA, he was the son of the late Paul and Estelle Riska and husband to Judi Riska. Carl graduated from Duquesne University in Pittsburgh, majoring in Business Administration. While at Duquesne University, he was a member of Alpha Phi Omega Fraternity. He worked in the tire industry, retiring from NTB as a salesman. He and Judi moved to Summerville for retirement and became very involved in their neighborhood, Del Webb. Carl was the founder of the Del Webb Epicurean Wine Club and he was a member of various clubs and groups. He enjoyed fishing, golf, wine pairings, biking, pickle ball, tennis and the beach. Carl was a charter member of Our Lady of Joy Council of Knights of Columbus in Plum, PA and was a member of St. John the Beloved Catholic Church, Summerville. He is survived by his wife of forty six years, Judi Riska; sons, Michael Riska and wife Gail of Mechanicsburg, PA and Daniel Riska and wife Gloria of Grasonville, MD; grandchildren, Sarah, Andrew, Brianna, Colton and Sydney; sister-in-law, Christine Kleysteuber and husband Carl of Fairborn, OH; niece, Karen Karhoff and husband Jeff; nephew, Peter Kleysteuber and wife Katie; grand nephews, Christopher and Jonathan Karhoff. Mass of Christian Burial will be held Friday, May 27, 2016 at 11:00 a.m. in St. John the Beloved Catholic Church, 28 Sumter Avenue, Summerville. The family will receive friends Thursday, May 26, 2016 from 1:00 p.m. until 4:00 p.m. at MCALISTER-SMITH FUNERAL HOME, GOOSE CREEK CHAPEL, 869 St. James Avenue. In lieu of flowers, donation can be made to The American Cancer Society, 269 Calhoun Street, Charleston, SC 29401.