Dan York (CISSP) is the Best Practices Chair for the VOIP Security Alliance (VOIPSA) as well as the producer of "Blue Box: The VoIP Security Podcast" where since October 2005 he and co-host Jonathan Zar have discussed VOIP security news and interviewed people involved in the field. Dan is employed as the Director of Conversations at Voxeo Corporation heading up the company's communication through both traditional and new/social media. Previously, Dan served in Voxeo's Office of the CTO focused on analyzing/evaluating emerging technology, participating in industry standards bodies and addressing VoIP security issues. Since the mid-1980s Dan has been working with online communication technologies and helping businesses and organizations understand how to use and participate in those new media. Dan frequently presents at conferences, has authored multiple books on Linux and networking and writes extensively online at sites such as www.voipsa.org/blog and www.disruptivetelephony.com.