Ning Guo, age 63, of Buffalo Grove, IL. Ning was born in Beijing in 1961 and immigrated to the United States with wife June in 1989; he built a life in Buffalo Grove over the subsequent 35 years. A software engineer by schooling and trade, he was an avid reader and investor whose curiosity and drive to learn was constantly apparent. Ning was optimistic, kind, sincere, and he lived his life to the fullest. Ning was the beloved husband of June Chen, loving father of Yankun Guo, proud brother of Yong Guo and Li Guo, caring son of Shizhi Yu, and a dear friend to many. He will be deeply missed. Visitation will be held Thursday July 11, 2024 at Kolssak Funeral home from 4pm until a Life Celebration Service at 6pm.