Nature 07

Case Yukio Kiyonaga

1985 ~ 2023 (age 38) 38 Years Old

Case Kiyonaga Obituary

Case Yukio Kiyonaga, beloved son, brother, nephew, cousin, friend passed away unexpectedly on November 10, 2023.  He will be remembered for his brilliant, analytical mind, his quirky humor, his love of sports, and most of all for his kindness to all around him.

Case was born on August 19, 1985 in Seattle to Gary and Katie Kiyonaga, joining his brother Adam. At Lakeside School, he excelled at math and chess, participating in state and national championships.  As a varsity tennis player he was Metro League Mixed Doubles champion. Case earned an economics degree at Pitzer College in California, then returned to Seattle.  After various consulting engagements, Case landed his dream job as a game designer with Wizards of the Coast.  

He loved games of all types - cards, board games, video, and of course, Magic: the Gathering. One of his favorite card games was Legends of the Five Rings for which he won multiple national and world championships.  A sports enthusiast as well, he was a loyal Mariners and Seahawks fan. He went away for college, but he was raised right and he bled Husky purple and gold just like the rest of the family.

Case loved a good rib eye steak, obscure baseball statistics, family gatherings and hanging out playing cards with friends.  Part of his enduring legacy will be the lives he saved through his donation of tissues and organs. We thank the Critical Care Unit staff and LifeCenter Northwest team at Overlake Hospital for their compassionate care and support.  In lieu of flowers please consider a donation to Cornerstone Christian Fellowship, LifeCenter Northwest or your favorite charity - we think he would approve. 

A celebration of life is planned for December 2nd at Cornerstone Christian Fellowship in Redmond. Please join us in honoring this unique and special human being and, while it was clearly too short, a life well lived. 

Please join us for a celebration of life on December 2nd, anytime from 3:30 pm to 6:00 pm at Cornerstone Christian Fellowship, 2053 152nd Avenue NE, Redmond, WA.  To honor Case, we’ve chosen a theme of “Kindness and Joy”.  We encourage you to wear T-shirts, Hawaiian Shirts, shorts/warmups, or something that sparks happy memories.  


- Care Entrusted to Emmick Family Funeral Home Lake View -



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Celebration of Life
December 2, 2023

Cornerstone Christian Fellowship Ministry Center
2053 152nd Ave NE
Redmond, WA 98052


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