Dr. Chang-Wu Chen is the head of imToken labs, leading wallet, contract development and crypto research. Prior to joining imToken, he worked for AMIS as a chief scientist from 2018 to 2020, and Ethereum Foundation as a researcher from 2017 to 2018. He served as an adjunct assistant professor, teaching Ethereum DApp development, at the National Chengchi University from 2018 to 2021.