SIGNPOST SIX - Key Persons


An Gaiser

An Gaiser is an expert in investigative interviewing with years of experience in complex and high-stake interviews in the domain of law enforcement as well as screening programmes. With Signpost Six she provides the training Bootcamp Investigative interviewing, where she uses Non-Verbal Strategy Analysis from the Institute of Non-Verbal Strategy Analysis (INSA) of which she is a managing partner. An started her career as a probation officer. After nine years at the probation office she made the switch to the general intelligence and security service. After 8 years she became managing partner at INSA.

Dennis Bijker - CEO

Job Titles:
  • CEO
Dennis Bijker is the CEO at Signpost Six. Before joining Signpost Six, he was a manager for an intelligence unit within the Dutch Police force and the Dutch Ministry of Internal Affairs. With a combined background in both economics and intelligence, Dennis has professional experience in creating innovative solutions from an in-depth security perspective. This reflects in his roles as a strategic advisor and project manager for the Dutch Government during several transitional challenges. Dennis holds an MS in Criminal Investigations and a BA in Economics.

Dr. Eric Shaw

Job Titles:
  • Clinical Psychologist
Dr. Eric Shaw is a Clinical Psychologist and former intelligence officer who has spent the last 25 years performing consultations, training, assisting in investigations and conducting research on insider issues while helping organizations manage insider risk. He specializes in psychological profiling of insider risk using multiple methods, including content analysis of subject communications. Dr. Shaw's publications on insider challenges-including his design of the Critical Pathway to Insider Risk-and the role of behavioral science and profiling in forensic and security issues have appeared in many scientific journals and news articles. Dr. Eric Shaw is the founder and CEO of Insider Risk Group.

Dr. Mike Drayton

Job Titles:
  • Fellow of the UK Cabinet Office Emergency Planning College
Dr Mike Drayton is an expert in individual and organisational resilience. He is an experienced organisational consultant, coach and clinical psychologist with a background in intelligence and security. He is the author of ‘Anti Burnout: How to Create a Psychologically Resilience and High Performance Organisation‘. Mike is a Fellow of the UK Cabinet Office Emergency Planning College, specialising in leadership, resilience and leading under pressure. He coaches on the Executive MBA programme at Said Business School, University of Oxford. Mike was educated at LSE, Oxford Saïd Business School and the University of Birmingham.

Ed Stroz

Ed Stroz was the founder of the digital forensics firm, Stroz Friedberg. He held the position of Co-President there, from its start in 2000 to 2021. Before starting the firm, Ed was a Special Agent with the FBI where he formed their computer crime squad in New York. Trained as a Certified Public Accountant, he has extensive experience in investigations of white-collar crime. Ed is a trustee of Fordham University, his alma mater, and serves as an advisor to the Center on Law and Information Policy (CLIP) at Fordham Law School. He holds an honorary doctorate from Fordham, and is a Senior Fellow at the Program on Corporate Compliance and Enforcement (PCCE) at NYU Law School. Ed is also a founding member of the security consulting firm Consilience 360, LLC in New York.

Elsine van Os - Founder

Job Titles:
  • Founder
Elsine van Os is a thought leader on insider risk and has an educational and professional background in psychology, intelligence and security. Elsine van Os 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. Elsine van Os has worked in various capacities in over 50 countries. In her work, she has developed and executed methodologies to develop management team members' and employees' security consciousness and risk assessment skills. Elsine is also owner of Signpost Film Productions.

Enrico Henriksson

Job Titles:
  • Author
  • Insider Risk Intern

Fernanda Teles

Job Titles:
  • Lawyer ( BR )
Fernanda Teles is a lawyer and head of investigations of Velours International, a risk management consultancy based in Brazil providing services in risk management and strategic intelligence. She has over 15 years of experience in corporate investigation, providing services as a consultant in projects for domestic and foreign companies. She developed her professional life in consultancy firms where she engaged in risk management projects, compliance, especially in due diligence, KUC, KYE, KYP, whistleblowing cases, fraud investigation, and corporate investigations. She worked for companies from all sectors, including retail, pharmaceuticals, and health care.

Glenn Schoen

Job Titles:
  • CEO of Boardroom
Glenn Schoen is CEO of Boardroom@Crisis BV and has over 30 years' experience as a security and crisis management advisor and trainer. After his studies and local law enforcement he held analysis, management and consulting positions in the US and Europe for Ernst & Young, G4S Risk Advisory, TranSecur and International Security Management. He has served over 300 consulting clients in 30+ countries and managed content for 250+ analysis subscription clients. His secondary activities include teaching at Georgetown University, serving ASIS and OSAC, and volunteer work at the White House. He lives in The Hague, The Netherlands.

Helen Gripton

Helen Gripton is the Human Rights and Social Impact Lead at BP, based in London. Helen has worked at BP since 2014. She is responsible for the development and management of BP's Insider Threat Programme, she also has oversight of BP's adherence to the Voluntary Principles on Security and Human Rights, alongside supporting individual businesses in developing and implementing the principles. Previously, Helen worked for Deloitte LLP as a Security Consultant. She also worked a number of years as an aviation security advisor and Intelligence Officer in the Royal Air Force. Helen holds a BA (Hons) in History from Newcastle University and has recently completed a Master of Laws (LLM).

Isabelle Brissette

Isabelle Brissette started her career as an international aid worker in Belarus, Haiti and Mali. She then joined the Canadian Security Intelligence Service (CSIS) where she served as an Intelligence Officer in the counter terrorism and counter espionage divisions. Following CSIS, Isabelle worked 15 years in the Rio Tinto Group Security and Business Resilience department where she led the development, implementation and assurance of leading-edge global programmes. She also supported sites around the world to manage conflicts in fragile environments. She finally became Rio Tinto Chief Security and Resilience Advisor. She holds university degrees in law (LL.B) and business (B.A.A., M.B.A.), and is a Certified Protection Professional (C.P.P.).

Julian Claxton

Job Titles:
  • Behavioural Scientist
Julian is a Behavioural Scientist with specific expertise in the provision of credibility assessments, strategic security planning, and counterespionage. Julian offers more than three decades of demonstrable experience, having started his career as an Army Reservist, whilst developing unique skills in security, surveillance and investigations. After ten years servicing the corporate sector as an investigator and technical specialist, he then turned his focus to surveillance-detection and counterespionage support. Academically, Julian holds a Master's Degree (MSc.) in Communication, Behaviour and Credibility Analysis, a Postgraduate Diploma in Behavioural Analysis and Investigative Interviewing, a Diploma in Security and Risk Management, and CPD qualifications in the Linguistics of Interpersonal Communication.

Kathryn Constantine

Kathryn Constantine is an experienced behavioural change consultant with over 20 years experience in both large global organisations and local government. She specialises in culture change and specifically information security and cyber security behaviours. Kathryn has designed and delivered highly effective communication campaigns and end user training which raise awareness of the value of information as an asset and ultimately lead to a greater understanding of how actions can safeguard that information. Engagement and empowerment of employees, IT professionals and an organisation's supply chain to build a robust defence.

Koen Gijsbers

Koen Gijsbers is a leading IT and cyber executive, and has over 40 years of experience working in the public sector, both as a military leader and as a civil senior executive. His military career built his leadership experience, through all levels up to commanding the 11 Air Assault Brigade. In the IT and cyber domain, Koen led NATO's transformation of communications towards the concept of Netcentric Operations and drove change in the NLD Ministry of Defense as CIO. As General Manager of the NATO Communications and Information Agency he helped optimise NATO's IT and Cyber capability and services during the last five years.

Masha Sedova

Masha Sedova is an award-winning cybersecurity expert, speaker, and trainer focused on helping companies transform their workforce from a security risk into a key element of cyberdefense. She is the co-founder of Elevate Security delivering a first-of-its-kind platform that enables organizations to identify risky employees, reduce the likelihood of future incidents, and proactively defend their workforce while ensuring a productive business. In 2021, Fast Company named her one of the most creative people in business. Before Elevate, Masha was a security executive at Salesforce where she built and led the human risk team. In addition, she has been a member of the board of directors for the National Cyber Security Alliance and a regular presenter at conferences.

Patrick Fitzpatrick

Patrick is an expert in forensic linguistics, specialising in authorship analysis, corpus linguistics, discourse, pragmatics, and semantics analysis. He holds a Master's Degree in Communication, Behaviour and Credibility Analysis and is completing a PhD in Forensic Psychology researching the Linguistic Cues for Deception of an Insider Threat. Through his own business (Veritas Behavioural Intelligence), Patrick applies his unique skills as a corporate insider threat investigator, working on cases which include physical threats, fraud, data/IP theft, sabotage, and harassment. Patrick has also developed experience in analysing hate and extremist speech on the surface and dark web.

Robert Hanssen

Robert Hanssen's clandestine activities during the Cold War offer a compelling narrative, detailing some of the intricate dimensions of insider risk. By looking at the psychology, motivations, and organisational shortcomings, we can garner insights to fortify modern organisations against insider threats. In an era where information remains a strategic asset, the legacy of Hanssen serves as a stark reminder of the continuous relevance of proactive insider risk management.

Roland Vergeer

Roland Vergeer has over 20 years of professional experience in the field of cybersecurity, intelligence, and digital investigations. His expertise lies in strategy, innovation, cyber intelligence, open source intelligence, and cyber operations. The last decade, Roland has performed penetration tests, provided training courses, managed a forensics, audits & training unit, advised institutions in the areas of cyber intelligence and security and founded and sold his own cyber intelligence company. As a cyber intelligence consultant, he handled online stalking cases, smear campaigns, and extortions. Roland worked as a cyber security consultant in Europe, The Middle East, the US, and the Caribbean.

Sander Oude Hengel

Sander Oude Hengel is an expert in the field of defence and security and has extensive experience in the Netherlands and abroad. He has been working for the Ministry of Defence for over fifteen years, where he has gained (international) experience at the operational and strategic level in several interesting roles. He has also worked in conflict zones such as Afghanistan. Currently, he is a strategic advisor for the Dutch ministry and in this role, he covers a wide range of topics related to Defense material investments and the industry in the context of the grand challenges of the 21st century.