Sean Yo-Yo | insdim design office Sean Yo-Yo, a chinese designer born in 1997, received his Master of Design from Keio University, Japan. raised in a small village in northern jiangsu, china, sean's upbringing fostered his appreciation for nature and simplicity. his diverse educational experiences during adolescence honed his keen observation of the world around. Yo-Yo co-founded insdim design office with friends in 2014. He firmly believes that good design must be useful, honest, and have a heart. website: insdim.com ↗