Marc leads BeyondTrust's Advanced Research labs, responsible for identifying new trends in enterprise security for the benefit of the BeyondTrust product roadmap. He joined BeyondTrust via the acquisition of eEye Digital Security, which he co-founded in 1998 and served as Chief Technology Officer for. He is an industry visionary, having created some of the first Vulnerability Management and Web Application Firewall products, which have been deployed worldwide and won numerous product awards. He is also a security research pioneer, credited with discovering some of the first major vulnerability discoveries in Microsoft software and leading one of the world's most renowned security research teams. This has led to Marc accepting three separate invitations to testify before the United States Congress on matters of national cybersecurity and critical infrastructure protection. He famously discovered the first Microsoft computer worm, "CodeRed," and was named one of People Magazine's 30 People Under 30.