Senior Security Architect, Terra VerdeHoyt L. Kesterson II is a Senior Security Architect with Terra Verde Services in Scottsdale, Arizona. Kesterson has more than 40 years of experience in information security and related technologies. For 21 years he chaired the international standards group that created the X.509 digital signature certificate, a fundamental component in digital signature and securing web transactions. He is a founding member and co-chair of the American Bar Association’s eDiscovery and Digital Evidence Committee and a founding member of the Information Security Committee. He is a testifying expert. He is an acknowledged contributor to a book on e-discovery and a book on digital data and the rules of evidence, both published by the ABA.