John Klein is a senior member of the technical staff at the Software Engineering Institute, doing consulting and research in software architecture practices. He came to the SEI from industry, where he was a chief software architect at Avaya. Klein has experience leading architecture teams in pre-IPO startups and large organizations, and in domains ranging from telecommunications to health care, finance, and defense. Currently, he works to help commercial and government organizations adopt and apply architecture practices, and does research on architecture-driven DevOps.