Tri Dien Do, age 45, passed away at Gilchrist Center in Howard County, surrounded by his family on Saturday, September 15, 2018. He is survived by his wife, Madison Nguyen; his daughter and son: Katelynn and Camden Do; his brothers: Brian, Tai, Long and Bryce; as well as his sisters: Jacqueline Nguy, Eva Ly, and My Do. Tri was born on October 5, 1972 in Saigon, Vietnam to the loving family of Muoi Do and De Luong. Tri was a successful systems engineer for over 20 years and established many friendships as a result. Though highly successful in his career, his true passion in life was his family. He enjoyed traveling and spending time with them every chance he got. You can always see in his smile the joy he felt when he was surrounded by the people he loved. Viewing will be held on Thursday, September 20, 2018 from 2-4pm and 6-8pm at Donaldson Funeral Home, 12540 Clarksville Pike, Clarksville, MD 21029. Contribution may be made to a scholarship fund that will be setup soon for Katelynn and Camden.