Senior Managing Director
Ken Mendelson in a suit and tie smiling for a professional photograph

Ken Mendelson is an experienced consulting executive with more than 30 years of experience at the intersection of law, information technology and public policy. He excels at leading teams of technical and compliance professionals that produce high-quality results for clients facing legal, regulatory and media scrutiny.

Mr. Mendelson oversees the delivery of Guidepost’s cybersecurity and privacy services including penetration/vulnerability testing, risk assessments, compliance assessments against a variety of regulatory requirements (e.g., NYDFS, HIPAA, GDPR, CCPA, CPRA, etc.) and frameworks/standards (e.g., NIST CSF, NIST 800 series, ISO27001, CIS, PCI/DSS, etc.).  His practice involves assisting established and emerging companies, in industries ranging from healthcare to cryptocurrency, to implement and maintain cybersecurity and privacy programs.  His expertise comprises developing policies, standards, procedures, and guidelines, conducting risk-based cybersecurity assessments, and undertaking investigations.  Mr. Mendelson also oversees Artificial Intelligence (AI) governance projects and was among the first to earn the Artificial Intelligence Governance Professional certification.

As a member of Guidepost Solutions’ National Security Practice, Mr. Mendelson conducts monitorships and third-party compliance audits in connection with mitigation agreements enforced by the Committee on Foreign Investment in the United States (CFIUS) and Team Telecom. Pursuant to approval granted by the Federal Trade Commission (FTC) he conducts independent compliance reviews of information privacy programs mandated by the FTC.

Prior to joining Guidepost Solutions, Mr. Mendelson worked for an international consulting firm where he originated and managed consulting engagements involving incident response, cyber security assessment, digital forensics, electronic discovery, and investigations.  He also initiated and established a practice group that focused on CFIUS/Team Telecom compliance, mitigation, monitoring and auditing matters.

Earlier in his career, Mr. Mendelson served as counsel to the U.S. House of Representatives Committee on the Judiciary, where he advised committee members on a wide range of legal and policy issues, including digital surveillance, computer security, encryption, and new technologies.  He also served as investigative counsel to the U.S. Senate Select Committee on POW/MIA Affairs, where he conducted an intensive private sector-oversight investigation into matters relating to POW/MIA organizations, including the dissemination of false and misleading information, and fraudulent fundraising.

Prior to his government service, Mr. Mendelson was an associate attorney at Kaye Scholer in Washington, DC.

Mr. Mendelson holds two patents for computer program products that detect access to a memory device.

Did you know?

An avid scuba diver, Ken once dove in a tank filled with man-eating sharks at the aquarium in a Dubai shopping mall.  He has photos to prove it.


  • Juris Doctor, Boston University School of Law
  • Master of Science, Broadcast Administration, Boston University
  • Bachelor of Arts, Communications cum laude, University of Pennsylvania


  • Artificial Intelligence Governance Professional
  • Certified Information Systems Security Professional
  • Certified Information Privacy Professional
  • Certified Information Systems Auditor

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