About me
John is responsible for open source at TestifySec, a software supply chain security startup. He is a maintainer for the Witness and Archivista sub-projects under in-toto. Additionally, John is an active contributor to CNCF's TAG Security and multiple projects within the OpenSSF. Before TestifySec, John was an engineering leader at VMware, helping to bring supply chain security features to the Tanzu Application Platform.