Charles is a Colorado-based technology entrepreneur and mathematician. He attended Metropolitan State University of Denver and the University of Colorado Boulder to study analytic number theory before moving into cryptography through industry exposure.

He has founded three cryptocurrency-related start-ups: Invictus Innovations, Ethereum, and IOHK, and he has held posts in both the public and private sectors. He was the founding chairman of the Bitcoin Foundation’s education committee and established the Cryptocurrency Research Group in 2013.

His current focus is on cryptocurrency education, encouraging decentralization, and introducing cryptographic tools to the mainstream. This includes leading the research, design, and development of Cardano, a third-generation cryptocurrency that launched in 2017.