Tim Callan contributes to Sectigo's standards and practices, industry relations, product roadmap, and go-to-market strategy. A founding member of the CA/Browser Forum, Callan has more than 20 years of experience as a product and strategic marketing leader for successful B2B software and SaaS companies, with 15 years’ experience in the PKI and digital certificate technology spaces. He has held VP and C-level roles at Verisign, Melbourne IT, RetailNext, and SLI Systems. He sat on the boards of directors for DigiCert and the Online Trust Alliance. Callan is Co-Host of the popular PKI and security podcast Root Causes, has published more than 100 technology articles, and has presented at many industry conferences including RSA Conference, ClickZ, IRCE, and Search Engine Strategies.