Jonathan is co-founder & CEO of Chainalysis, the blockchain data platform, where he is responsible for leading all facets of the business and its work to help government agencies, cryptocurrency businesses, and financial institutions leverage blockchain data to solve their most important problems. At Chainalysis, Jonathan has led numerous functions and business units as the company has grown to have a presence in over 50 countries globally. He is regularly called upon to testify to the U.S. Congress and other government hearings on the emerging risks and opportunities in cryptocurrencies.