Tim McAllister is the Senior Director of Digital Trust at DigiCert, Inc., a global leader in digital trust solutions. With a career spanning over two decades in cybersecurity and PKI (Public Key Infrastructure), Tim is recognized as a subject matter expert in IoT security, device trust, and PKI modernization. At DigiCert, he drives innovation and strategic growth, focusing on enabling enterprises and OEMs to secure connected devices, meet compliance requirements, and future-proof their systems against evolving cybersecurity threats, including quantum computing risks.

Tim has a proven track record of delivering tailored solutions for critical industries such as automotive, energy, medical, and industrial sectors, addressing complex use cases like secure software supply chains, EV charging infrastructure (EVPKI), and NIST-aligned zero-trust architectures. He actively leads thought leadership initiatives, industry engagements, and collaborations with ecosystem partners to ensure DigiCert’s continued market leadership.
In addition to his professional accomplishments, Tim frequently shares insights at industry conferences and in digital publications, advocating for the adoption of advanced digital trust frameworks to enhance global cybersecurity resilience.