Meet the Team

Advancing innovative technology through lean product development methodology, we built the highest capacity batteries in millimeter formats creating new possibilities for wireless products. Founded in 2015, our elite team has a combined 45 years of experience in Battery Science, Engineering and Micromachining. We will continue to work relentlessly to enable the new technologies, providing custom solutions and insights for companies of all sizes. Get in touch to learn more.

Cheolwoong Lim, PHD

VP of Engineering

In addition to being an expert in battery electrode materials, Cheolwoong is a multidisciplinary engineer who is currently responsible for manufacturing scale-up and analyzing Millibatt’s rapidly growing volume of battery data.


Guangyi Sun, PHD

VP of Innovation

Guangyi has a diverse background in MEMS fabrication, computer science and automation. Former faculty of Nankai University, he develops microfabrication technologies and is also responsible for integrating Millibatt’s batteries into advanced sensing applications.


Janet Hur, PHD

CEO & Cofounder

Janet has been the driving force behind Millibatt’s marketing, sales and fundraising activities since the company’s founding in 2015. She has 12 years of MEMS design and fabrication experience and co-invented Millibatt’s core IP.


Leland Smith, PHD

COO & Cofounder

Leland leads process development in the areas of IP strategy, equipment purchases and maintenance at Millibatt’s pilot manufacturing facility. He has 10 years’ experience in the synthesis and characterization of battery electrolyte materials and co-invented Millibatt’s core IP.