Elsine van Os is the founder and CEO of Signpost Six, an insider risk management consultancy firm with behavioral science at its heart. She is a clinical psychologist and intelligence and security expert who has worked on high profile assignments for the Dutch Ministry of Defence and Shell International, where she held global responsibility for security threat assessments on country, asset, and individual levels. She holds a MA in Clinical Psychology, a MSc in Humanitarian Assistance and holds a wide variety of certifications in intelligence and security as well as corporate social responsibility. She is also the owner of Signpost Film Productions which produced a documentary on Edward Snowden in 2018. Departing employees opening the door to insider threats.