Roger Thompson
CEO and Founder

Roger's computing career began as a mainframe engineer in Australia in 1972. In 1987, he co-founded the first Australian anti-virus company, Leprechaun Software, and launched Virus Buster. By 1990, it had 60% market share in Australia. After moving to the United States, Roger started Thompson Network Software, which developed The Doctor range of products and was acquired by On Technology. In 2003, he testified before Congress in support of legislation to protect computer users against spyware. Roger helped build PestPatrol which was acquired by Computer Associates in 2004. Next, Roger founded Exploit Prevention Labs in 2005 which was acquired by AVG (AVAST) in 2007.

In his personal life, Roger's an accomplished musician, and chess player, and he and his wife have twelve children, eight of whom are adopted. He believes that we should never stop learning, and his personal motto is "Always a beginner".


Arun Darlie Koshy
CTO and Co-Founder

Arun helped build products that secure some of the world's largest financial and federal institutions in prior engineering leadership and individual contributor roles. These include ZoneAlarm, PestPatrol, LinkScanner and Bromium among others. Arun's research interests include computational trust and program induction. Outside of work, he loves spending time with family and studying machine intelligence thematically at Stanford.