Cybersecurity expert, public speaker, and expert witness


Dr. Ondrej Krehel is a renowned cybersecurity expert and esteemed professor at Columbia University, where he holds lectures on leadership and cybersecurity. He also holds the distinguished position of Cyber Hostage Negotiator within the <redacted> group, where his expertise is pivotal in responding to cyber crisis situations. 

Dr. Krehel is a former CISO and lecturer at FBI Training Academy. He was the founder and CEO of LIFARS, a global leader in digital forensics and incident response. Dr. Krehel previously led forensic investigations and cybersecurity consulting at Stroz Friedberg encompassing US government engagements and missions, including military cyber special operations. 

Being compromised and your data exposed is becoming life’s certainty. Today, we have to consider the cyber dimension as a new element of our daily lives.

Dr. Ondrej Krehel, PhD

Dr. Krehel holds a Ph.D. in Digital Trace and Forensics Investigation and a master’s in mathematical physics, a nonlinear algebra related to crypto-breaking operations.

Dr. Krehel is a co-founder of QuBit Conference in  Prague, Czech Republic, a premier event in cybersecurity resiliency, privacy, enterprise risk management and digital forensics. He is also a member of the High Technology Crime Investigation Association (HTCIA), the Information Systems Security Certification Consortium (ISC) and the International Council of Electronic Commerce (EC Council). 

His certifications include Certified Information Systems Security Professional (CISSP), EnCase Certified Examiner (EnCE), and Certified Ethical Hacker (CEH). Dr. Krehel is one of the few to hold a Certified Ethical Hacker Instructor (CEI) accreditation, and to be authorized to lecture Ethical Hacking courses to government and private sectors.

Conducted Training

FBI Training Academy, National Executive Institute
InfraGard Cyber Crises Management Workshop
Lecture Network Forensic Lab CEI
Lecturing Certified Ethical Hacking Course
Data Risk and Privacy Workshop RIMS
Cyber Security Master Class Vienna
Forensic Investigations, Police Academy Slovakia
Developed and presented Computer fraud workshop for John Jay College of Criminal Justice

Ponemon Institute Distinguished Fellows
Association of Certified Fraud Examiners
High Technology Crime Investigation Association
High Tech Crime Consortium
American Society for Industrial Security
Information Systems Security Certification Consortium
Internal Association of Privacy Professionals
International Council of Electronic Commerce