Tim Appleby is President of the InfraGard North Texas Members Alliance, and he is a senior leader in the federal team at Mandiant. In his role, he is responsible for the opportunities and programs focused in the Federal, State, Local and Global Government. Prior to joining Mandiant, Tim was the Global Information Assurance Head at Citigroup where he managed the corporation's global data protection infrastructure including Anti-malware, Data Leakage Protection, Endpoint Protection and Vulnerability and Threat Management Infrastructure. Prior to joining Citigroup, Tim was the Chief Scientist in the Integrated Security and Systems Solutions Business Unit at Science Applications International Corporation (SAIC) and an Adjunct Professor at The Johns Hopkins University in Baltimore, Maryland. During that time,

Mr. Appleby was a Technical Director for Managed Security Services at Global Integrity (an SAIC Company) where he participated in the development, design and technical implementation of the Financial Services Information Sharing and Analysis Center (FS-ISAC) in support of PDD63 during the Clinton Administration, and Directed the Federal Government FED_CIRC Incident Response Center prior to 9/11. Preceding his work at Global Integrity, Mr. Appleby held numerous Intelligence and Law Enforcement jobs in the US Government. Additionally, he designed, patented, and implemented a global incident response, Intrusion Detection and Tracking System for Motorola's Iridium LLC to support its global operational network and satellites. Tim has worked in the field of information security for over 20 years.