|Stanford University, M.S.|
|Stanford University, B.S.,|
|Computer Systems Engineering|
As Chief Technology Officer and VP of Engineering at JOYUS, Sin-Mei Tsai is responsible for the company’s overall technology organization and strategy.
Sin-Mei brings over 16 years of technical leadership and entrepreneurial experience to JOYUS.
She was Co-Founder and Head of Engineering at Sheyna, a design-your-own jewelry e-commerce site featured on NBC Today Show, Oprah’s Life Lift Blog, and Martha Stewart Weddings.
Prior to Sheyna, Sin-Mei was Chief Architect at SendMe, Inc. a mobile entertainment platform, and also Head of Product at Efficient Frontier, a leading advertising optimization platform. Earlier, Sin-Mei held technical leadership positions at Yodlee, Hewlett-Packard, and Hasbro.
Sin-Mei received her B.S. in Computer Systems Engineering and M.S.E.E. from Stanford University.