Tom Brennan

Tom Brennan is a seasoned professional with extensive experience in cybersecurity and risk management. Currently, Brennan serves as a Partner at Proactive Risk and holds multiple roles, including Chief Information Officer at Mandelbaum Barrett PC and Americas Chairman at CREST International. Additionally, Brennan works as a Cyber Advisor for the Cybersecurity and Infrastructure Security Agency and MITRE, while also contributing as an Executive Committee Member at Nonprofit Cyber. In advisory capacities, Brennan is involved with The Retired Investigators Guild, St. John's University, and NYU Tandon School of Engineering. Since 2010, Brennan has also been a Cyber Defense Consultant for GLG.