Stefan Agner completed his bachelor's degree in information technology from the Lucerne University of Applied Sciences and Arts in 2009 and has worked in the field of embedded systems as a software engineer since then. He focuses on driver development and system programming and prefers to work with the open source software stack. Currently, he is working to upstream Linux support for the ARM-based Freescale Vybrid SoC for his employer, Toradex AG.
He describes himself as an open source enthusiast who works with Linux and other free software not only in his professional life as a software engineer, but also in his spare time. At several smaller companies, he successfully deployed and managed OpenVPN as the primary VPN solution. For his private IT infrastructure, he runs OpernWrt-powered routers, which serve as OpenVPN servers. He also likes to blog about technical stuff, such as fascinating projects and interesting problems he comes across.
Emmanuel Bretelle has 10 years of experience in devops, systems, and network administration. He has leveraged OpenVPN, its plugin capabilities, and cross-platform compatibility to help connect employees across the globe to corporate networks.
He has also developed and open sourced two OpenVPN plugins: openvpn-mysql-auth and openvpn-ldap-auth.
When not fiddling around with new technology or automating his way out, he enjoys traveling and chilling out.
Michael A Cossenas is a Linux/network administrator from Athens, Greece.
He has been working as a network security specialist for Digital Sima, a company specializing in LAN/WAN networking. He is now employed as a subcontractor for IBM Greece and manages 50 plus SUSE-based Linux servers as one of their customers.
His first experience with Linux was way back in 1998, using RedHat 5.2. Since then, he has worked on various open source projects, including Zimbra, DRBD, KVM, and Postfix.
He is also an OpenVPN forum moderator.
He works as a subcontractor for IBM Greece in the SO (Strategic Outsourcing) department.