With more than 25 years of experience, Mr. Grillo provides clients with cybersecurity advisory services, incident response investigations and other technical advice, including providing guidance to C-suite and board members. He has been a trusted partner of multiple government agencies, including the FBI and the U.S. Secret Service, where his expertise was instrumental in investigating and resolving a variety of cyber-based crimes. 

Mr. Grillo’s experience and understanding of commercial sector challenges and national security objectives have influenced national policy in cybersecurity, including the NIST Cybersecurity Framework. He has advised clients on some of the most complex cybersecurity initiatives and coordinated incident response efforts for some of the largest security incidents over the last 15 years. 

Prior to joining A&M, Mr. Grillo held leadership positions at professional services organizations, including Stroz Friedberg/Aon Cyber Solutions, where he served as the Global Leader of Cybersecurity Services. Previously, he was a founding member of Protiviti Inc’s Cybersecurity Practice, leading the development of its Global Incident Response and Forensics Investigations Practice. 

Mr. Grillo earned a bachelor’s degree from Fordham University. He serves as an elected member of the CREST Americas Local Council and the Gartner Evanta Governing Body Member of the New York CISO Community. Additionally, Mr. Grillo has assisted with thought leadership initiatives for the FS-ISAC and helps create its annual Compromise Against Payments Systems, the simulated industry cyberattack exercise. He is also a member of the Shared Assessments Program Steering Committee, a Ponemon Institute Distinguished Fellow and has served on the CLM Cyber Liability Council, the Board of Directors of the NY Metro ISSA Chapter, the IT Policy Compliance Group, and the (i-4) International Information Integrity Institute Research Steering Committee.

Additionally, from 2022–2024, Chambers and Partners recognized Mr. Grillo as a spotlighted and Band 1 expert in cybersecurity risk and The Consulting Report recognized him in the top five of its Top 50 cybersecurity leaders.