Keli Hay is a course developer, technical writer, and certified technical trainer with over 13 years experience in information technology. She has worked with F500 companies such as CA Technologies, BP, and Red Hat and with teams in North America, Europe, Asia, and Australia. Keli has developed over 200 courses for various audiences including customers, partners, and resellers across various industry verticals including software, financial, energy, defense, healthcare, and government. In addition to course development, Keli co-authored the Nokia Firewall, VPN, and IPSO Configuration Guide and provided technical editing expertise to the authors of the OSSEC Host-based Intrusion Detection Guide.