Kevin Michelena - current Twitter Sr. Corporate Security Analyst. Ex FBI Intelligence Analyst 12 years Doug Hunt - current Twitter Senior Director. Ex FBI Special Agent 20 years. Mark Jaroszewski - current Twitter Director Corporate Security/Risk. Ex FBI 20 years Douglas Turner - current Twitter Senior Manager, Corporate and Executive Security Services. Ex FBI 14 years. Ex Secret Service 7 years. Patrick G. - current Twitter Head of Corporate Security. Ex FBI Special Agent 23 years. Karen Walsh - current Twitter Director - Corporate Resilience. Ex FBI Special Agent 21 years Russell Handorf - current Twitter Senior Staff Technical Program Manager. Ex FBI 10 years. Michael B. - current Twitter Senior Corporate Security Manager. Ex FBI 23 years. Vincent Lucero - current Twitter Senior Security Manager. Ex FBI Special Agent 22 years. Kevin L. - current Twitter Corporate Security Manager. Ex FBI Special Agent 25 years. Matthew W. - current Twitter Senior Director of Product Trust, Revenue Policy, and Counsel Systems & Analytics. Ex FBI 15 years.