David holds a Bachelor of Science degree in Electrical Engineering and a Master degree in Business Administration. He has over 20 years of experience in various manufacturing industries, including smart card, mobile phone and watch industries. David has been exploring flexible energy storage solutions. He is the inventor of Utility Model Patent “Bendable & Detachable Battery Bracelet for Wrist Electronic Device”, which was registered at China Patent Office in August 2014. He has been guest speaker on bendable battery technology at different exhibitions and technology forums.