Denny Siu was born on June 11, 1951 in Shanghai and moved to Hong Kong with his family as a teenager. After receiving an undergraduate degree in Computer Science from the University of Chicago, he went on to receiveaMaster’s degree in Computer Scienceat theUniversity of Minnesota. He started a successful careerincomputer engineering which eventually took him to Data IO in Bellevue, Washington. Denny was able to retire in his 40’s and enjoy his time with hobbies and friends and family.

He enjoyed companies of family and friends alike, especially chatting and eating around the dinner table. Denny had a lot of hobbies over the years. He enjoyed reading and narrating traditional Chinese poems to us and was a fantastic artist—he loved calligraphy and drawing caricatures of us. He was an avid tennis player and was happiest at the end of a good game with his friends and cousins.
As you know, Denny was incredibly bright. He was especially gifted with Math and Computer Science. He often offered to help others with their technology problems. Later in life, when his vision was not good, he would walk friends and family through their technology problems by memory.
Most of all, Denny was loved by everyone. His kind-heartedness and gentleness were what made him someone you could always feel comfortable to be with. He was easy to talk to, always smiling, and always so caring about everyone else.
Denny passed peacefully on December 11, 2015. He is survived by his brother Lawrence, and his three sisters Sophia, Nancy and Suzanna.
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