Tim McAllister is Regional Field CTO Americas in DigiCert's Office of the CTO. With more than 20 years of senior leadership experience, he works with enterprises and original equipment manufacturers to turn digital trust requirements into deployable architectures and operating models. His areas of focus include PKI and certificate lifecycle management, AI trust and machine identity, device and software trust, post-quantum cryptography, and security for connected and critical systems. Tim is also an active industry and standards strategist, with experience spanning healthcare, industrial and energy environments, electric vehicle infrastructure, and other high-assurance use cases.