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Dr. Stefan Heissner
Senior Managing Director, Chair of DACH Forensic & Litigation Consulting
Real-World Experience
Kriminalkommissar, Polizei Hessen (Detective Chief Inspector, Hesse State Police)
Dr. Stefan Heissner built his career investigating organized crime, fraud and corruption before advising global companies on how to confront it. As a former criminal investigator, Doctor of Economics and Managing Partner of major forensic advisory practices, Dr. Heissner brings firsthand experience uncovering misconduct and helping organizations strengthen compliance and integrity.
Experience Highlights
Kriminalkommissar, a.D., Polizei Hessen (Detective Chief Inspector, Hesse State Police), serving 15 years at a law enforcement agency encompassing Frankfurt am Main, with five years’ experience in departments for white-collar crime and corruption.
Doctoral thesis in Economics analyzed the fight against white-collar crime from a behavioral economics perspective.
Decades of experience across Big Four forensic practices, including as a Managing Partner, leading multinational teams, cross-border investigations and consulting projects.
Certified Fraud Examiner (Association of Certified Fraud Examiners in the U.S.), Member of Atlantik-Bruecke and Board Member of the German Institute for Compliance (DICO e.V.).
Publishes books, commentaries and specialist articles on a regular basis.
Polycrises — shaped by geopolitical turbulence, resource scarcity and the relentless advance of climate change — are placing corporations and governments under mounting pressure. Coupled with digitalization unfolding at a breathtaking pace, these forces give rise to tremendous opportunity, but also to profound and far-reaching risk. Crises only emerge when both opportunities and risks fail to receive the attention they demand.
When you’ve managed a nation’s security, you see the risks others miss.
Real-World Experience
Deputy Director, Federal Bureau of Investigation
Meet Paul M. Abbate
Real-World Experience
Assistant Director, Federal Bureau of Investigation
Meet Mike Driscoll
Real-World Experience
Director of Cyber Incident Response at the White House
Meet Anthony J. Ferrante
Real-World Experience
Deputy Director for Cyber, UK National Crime Agency
Meet Ollie Gower
Real-World Experience
International Risk & Investigations Expert
Meet Rosie Hawes
Real-World Experience
Director for Cyber Incident Response at the National Security Council
Meet Jordan Rae Kelly
Real-World Experience
Chief of Counterespionage at the Central Intelligence Agency; Career Federal Bureau of Investigation Executive
Meet William McCausland
Real-World Experience
Assistant Director, Office of Investigations, U.S. Secret Service
Meet Jeremy A. Sheridan
Real-World Experience
Special Agent in Charge, Federal Bureau of Investigation, Miami Field Office
Meet Jeffrey Veltri
Real-World Experience
Cybersecurity Leader
Meet Thomas Hutin
Real-world experience that delivers.
Our advice is grounded in execution and delivered by senior experts who have led through crisis and transformation.
FBI Director. Crisis Responder.
Our former military officers, cyber chiefs and intelligence veterans have been tested across the highest-risk situations, bringing clarity to crises that demand composure — and foresight to ensure ongoing operational resilience.
When you’ve managed a nation’s security, you see the risks others miss.
Real-World Experience
Deputy Director, Federal Bureau of Investigation
Real-World Experience
Assistant Director, Federal Bureau of Investigation
Real-World Experience
Director of Cyber Incident Response at the White House
Real-World Experience
Deputy Director for Cyber, UK National Crime Agency
Real-World Experience
International Risk & Investigations Expert
Real-World Experience
Kriminalkommissar, Polizei Hessen (Detective Chief Inspector, Hesse State Police)
Real-World Experience
Director for Cyber Incident Response at the National Security Council
Real-World Experience
Chief of Counterespionage at the Central Intelligence Agency; Career Federal Bureau of Investigation Executive
Real-World Experience
Assistant Director, Office of Investigations, U.S. Secret Service
Real-World Experience
Special Agent in Charge, Federal Bureau of Investigation, Miami Field Office
Real-World Experience
Cybersecurity Leader
Explore Further
Expertise earned in the real world.
Impact delivered in yours.
Sightlines from the frontlines.
Faced with today's cyber threats, firms must adopt a comprehensive, intelligence-led approach: raising employee awareness, controlling the supply chain, proactively monitoring threats and involving the entire board. Only this, plus global collaboration with institutions and law enforcement, ensures a truly effective defense.
View expert profile: Ollie GowerHead of Cybersecurity Services, Spain
Clients rely on us to analyze transactions at a level beyond blockchain forensics. Our experts perform code-level reviews to uncover root cause analysis of security vulnerabilities and potential exploits for the purpose of attribution, digital fingerprinting or adversary identification.
View expert profile: Jeremy A. SheridanManaging Director
Why GCs Should Engage With External Cybersecurity Experts
The Board of Directors and Cybersecurity: How Boards Can Build Cyber Resilience
While we once focused purely on a potential partner firm’s reputation, assessing how geopolitical shifts impact client decision-making is now the standard. Maintaining focus amidst a polycrisis is extremely challenging — but crucial.
View expert profile: Rosie HawesSenior Managing Director, Head of Asia Business Intelligence
Cybersecurity and White-Collar Crime
Faced with today's cyber threats, firms must adopt a comprehensive, intelligence-led approach: raising employee awareness, controlling the supply chain, proactively monitoring threats and involving the entire board. Only this, plus global collaboration with institutions and law enforcement, ensures a truly effective defense.
View expert profile: Ollie GowerHead of Cybersecurity Services, SpainClients rely on us to analyze transactions at a level beyond blockchain forensics. Our experts perform code-level reviews to uncover root cause analysis of security vulnerabilities and potential exploits for the purpose of attribution, digital fingerprinting or adversary identification.
View expert profile: Jeremy A. SheridanManaging DirectorWhy GCs Should Engage With External Cybersecurity Experts
The Board of Directors and Cybersecurity: How Boards Can Build Cyber Resilience
While we once focused purely on a potential partner firm’s reputation, assessing how geopolitical shifts impact client decision-making is now the standard. Maintaining focus amidst a polycrisis is extremely challenging — but crucial.
View expert profile: Rosie HawesSenior Managing Director, Head of Asia Business IntelligenceCybersecurity and White-Collar Crime
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