Tim Callan is Chief Compliance Officer at Sectigo and co-host of the popular PKI and security podcast “Root Causes.” Tim has more than 20 years of experience in leadership positions for prominent PKI and digital certificate technology providers including VeriSign, Symantec, DigiCert, and Comodo CA. A security blogger since 2006, he is a frequently published author of technology articles and has spoken at conferences including the RSA Security Expo, Search Engine Strategies, ClickZ, and the Internet Retailer Conference and Expo. A founding member of the CA/Browser Forum, Tim played a key role in the creation and roll out of Extended Validation SSL in the late 2000s.