Meet Signpost Six

"They have demonstrated being flexible and particularly sensitive to all our stakeholders’ needs and values. We have a long-lasting professional partnership and seek consultation with Signpost Six on any matters revolving corporate espionage and insider risk."—HighTech

"Given the paramount importance of the topic and their level of expertise, I can highly recommend these courses to anyone and any organization."— BioTech

"Signpost Six has provided us with excellent tailor-made and thought-provoking support to establish an Insider Risk Management Program."— Chemicals

"Signpost Six's insider risk management training provides all the necessary information needed for you to understand the topic of insider risk and to then build a case for a programme within your organisation"— Financial Telecommunications 

We live in an interconnected world

Technology and behaviour

Our insider risk management mission

The Signpost Six approach

Supporting insider risk journeys

Following the signposts
Our Team

We know how!

Risk Management Associates
Security Management Associates
Advisory Board

Signpost Six Team

Elsine van Os

Founder and CEO

Elsine is a thought leader on insider risk and has an educational and professional background in psychology, intelligence and security. Elsine 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 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.

Get Linked

Erik Schneider


Erik Schneider is a director at Signpost Six responsible for strategy, sales, marketing, internal processes and engagement delivery. He worked as a senior manager in the Dutch office of KPMG, where he led the development of a suite of solutions around cyber risk quantification, risk interconnections and board reporting. He has an MBA in General Management from Vanderbilt University and spent time in its PhD program in Finance. In addition, he has a BA in History from the University of Virginia and an MS in Information Security Technology from the Eindhoven University of Technology.

Get Linked

Dennis Bijker

Insider Risk Manager

Dennis Bijker is a senior insider risk manager 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.

Get Linked

Dana Aussems

Insider Risk Advisor

Dana Aussems CPP began her career in the hospitality industry after graduating from the Hotelschool. In 2001 she made the switch to security, as a security consultant for an international private security organization; first regionally, then nationally. From 2005 onwards she worked as a security manager and PFSO at a container handling company in the port of Rotterdam. Dana started her own security consultancy company, by DnA, in 2014. Although the focus is mainly on security risk management within ports, both nationally and internationally, she is also active in other sectors. Dana followed various courses, including CPP©, Criminology,  OSINT, and  is also a Certified Insider Risk Programme Manager.

Get Linked

Lucile Renhas

Insider Risk Analyst

Lucile Renhas is an Insider Risk Analyst at Signpost Six. Before joining, she graduated from Leiden University with a master in Crisis and Security Management with a specialization in the governance of radicalism, extremism and terrorism. She also has a background in international relations and organisations. As an analyst, she is managing the delivery of and providing direction within client projects, working closely with the relevant business leads and stakeholders. She also provides PMO support to client-related projects.

Get Linked

Isabela Serra

Insider Risk Intern

Isabela Serra is an insider risk intern at SignPost Six. She has recently concluded her master degree in Crisis and Security Management with a specialization in the governance of radicalism, extremism and terrorism at Leiden University.  Isabela’s interests lie in researching modern security challenges and their implications in today’s world. She also holds a double Bachelor’s degree in both International Security Studies and International Relations. With experience in topics such as counterterrorism, radicalization, cybersecurity, intelligence and technology, Isabela has further developed the motivation to work within the field of insider risk, offering a set of multidisciplinary skills. 

Get Linked

Nicole Müller

Insider Risk Intern

Nicole Müller is an insider risk intern at Signpost Six. During her internship, she will also be working on getting a double degree in Politics and Public Administration and European Governance at the Universities of Konstanz and Utrecht. Nicole specializes in international administration, conflict studies, legal gaps in cyber-security and governance of digitalization. Her previous professional experience in international companies like Lufthansa Technik, ZF Group as well as scale-ups like Coliquio brought her the interdisciplinary knowledge necessary to work on insider risk.  

Get Linked

Insider Risk Associates

Dr. Mike Drayton

United Kingdom

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.

Get Linked

Nicholas Eftimiades

United States

Mr. Eftimiades has a long history of success as an innovator in the U.S. intelligence community. He is widely regarded for his expertise on China and national security aerospace issues. Mr. Eftimiades authored books, reports, and numerous articles on China’s commercial espionage methods, national security and technology. His book “Chinese Intelligence Operations” is an examination of the structure, operations, and methodology of the intelligence services of China. It is widely regarded as seminal work in the field. Nicholas Eftimiades is a professor at Penn State University. He conducts research on China’s economic espionage, intelligence, and emerging threats.

Get Linked

Eric Shaw

United States

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.

Get Linked

Michael Gips

United States

Michael Gips is a security expert and thought leader with 25+ years of experience in strategy, tactics, operations, and content development. He is a partner in the Knowledgebase of Insider Threats, a database of thousands of insider incidents. An attorney and former Chief Knowledge & Learning Officer of ASIS International, Michael consults, writes, and speaks about insider threat, security risk management, organizational resilience, convergence, disinformation, radicalization, and many other topics. Michael has a CPP, a CSyP, and certificates in security from Wharton, IE Business School, and Tel Aviv University. He has a J.D. from Harvard and a B.A. from Tufts.

Get Linked

Nicola Mee

United Kingdom

Nicola has 20 years experience as a Behavioural Analysis expert and former Intelligence Analyst with a Masters in Security & Organisational Risk Management. She specialises in psychological and behavioural risk assessment, linguistic analysis and new technologies to identify and counter threat behaviour. She is currently Head of Behavioural Analysis & Insider Risk which supports UK law enforcement and commercial clients in the analysis of anonymous threats using forensic voice comparison and linguistic analysis tools and techniques. She is also a Consultant to US-based Insider Risk Group and has worked directly with Dr. Shaw on profiling and risk detection in the UK.

Get Linked

Kathryn Constantine

United Kingdom

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.

Get Linked

Mark William Lowe


Following project management roles in Hughes Aircraft and Raytheon Systems, Mark worked for several years as a consultant to the Italian Government’s foreign intelligence agency. In 2007 he returned to the private sector as a risk and security consultant. As an expert on corporate espionage he has advised several companies from the energy, defence, aerospace, and information technology sectors on the protection of intellectual property and sensitive data. He has lectured on corporate espionage and international security at the Università Cattolica and the Italian Government’s Security Intelligence Department and is a faculty member of the ASERI Business School in Milan.

Get Linked

Gary Peace

United Kingdom

Gary served with Scotland Yard’s Metropolitan Police for 18 years, and was involved in high-profile and sensitive enquiries at a national level within the UK. Including 8 years investigating police corruption at the highest levels. He was also responsible for investigating all information leakage from and misuse of the force’s corporate IT network. As a consultant Gary successfully established and ran the Digital Forensic Laboratories for the UK regulator, the Competition and Markets Authority (CMA). Gary investigates insider threats and internal corruption allegations and implements technical and management systems to counter those issues. Clients include Government, Private Clients, HNW and business.

Get Linked

Julian Claxton


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.

Get Linked

Specialised Security Management Associates

Roland Vergeer

Cyber investigations (NL)

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.

Get Linked

Glenn Schoen

Crisis Management (NL)

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.

Get Linked

An Gaiser

Investigative Interviewing (NL)

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.

Get Linked

Erik Elgersma

Competitive Intelligence (NL)

Erik Elgersma is a competitive intelligence and corporate strategy expert. Erik has worked for 26 years in strategy and competitive intelligence at Akzo Nobel and FrieslandCampina. He is now an independent consultant. He holds a Ph.D. in engineering. Erik is a Visiting Lecturer at the school of business and economics of the VU University Amsterdam and a Research Fellow at Vlerick Business School, Belgium. He authored three books in the field of competitive intelligence. Erik’s core belief is that companies must ‘compete on knowledge’. Knowledge he helps his customers to gather and with Signpost Six helps to protect.

Get Linked

Alexandra Hoffmann

Business Resilience (FR)

Alexandra Hoffmann is the CEO of Alexandra Hoffmann Consulting (AHC). Thanks to a career with the French government and large international corporations, Alexandra has a rich operational and multicultural experience base with a strong expertise in business resilience, its boosting factors, and best practices to manage it. Alexandra has an LLB in Criminal Law from Paris University, France, an M.Sc. in Corporate Security from John Jay College of Criminal Justice, New York, and MBA from the University of Phoenix, USA. Alexandra is also a Certified Coach, trained in Neurosciences, and a Certified Yoga Teacher.

Get Linked

Isabelle Brisette

Peace, Security & Resilience (CAN)

Isabelle Brisette 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.).

Get Linked

Fernanda Teles

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. 

Get Linked

Advisory Board

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.

Get Linked

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. 

Get Linked

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.

Get Linked

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. 


Get Linked

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). 

Get Linked
Our Partners

We are in this together

Committed to Insider Risk Professionals

Factsheet: Signpost Six Overview

Posted inPortfolio
About Signpost Six Signpost Six is a global insider risk consultancy and training firm based in the Netherlands. We…

RSA 2022: June 6-9

Posted inEvent
Meet us at RSA! Come find us at booth #1061 together with the Netherlands IT Security House, or book…

Investigative Interviewing of High Profile Terrorism Cases

Posted inExpert Calls
Expert Call with Ali Soufan Ali Soufan is chairman and chief executive officer of The Soufan Group and founder…