Mark B. Cooper, president and founder of PKI Solutions, is known as “The PKI Guy” since his early days at Microsoft. He has deep knowledge and experience in all things Public Key Infrastructure (PKI). PKI Solutions Inc. provides consulting, training — including online training — and implements software solutions for Microsoft PKI and related technologies at enterprises, many of them Fortune 500 companies. PKI Solutions has led hundreds of PKI trainings, including private trainings, across the country and around the world. Cooper is an avid proponent of the SHAKEN/STIR global standard to end robocalls, that uses authentication and PKI to verify callers’ identities. Prior to founding PKI Solutions, Cooper was a senior engineer at Microsoft, where he was a PKI and identity management subject matter expert who designed, implemented, and supported Active Directory Certificate Services (ADCS) environments for Microsoft’s largest customers.