Kwon Do-Hyung, commonly known as Do Kwon, is a South Korean former businessman and software engineer. He was the co-founder and CEO of Terraform Labs, the parent company of crashed stablecoin TerraUSD and cryptocurrency Luna. TerraUSD and Luna collapsed in May 2022, wiping out almost $45 billion market capitalization in one week and causing hundreds of billions in losses in the larger crypto market.