Marshall Heilman is the Chief Executive Officer for DTEX Systems, the global leader for insider risk management. Marshall has more than 20 years of experience in cyber security (in startup and large public organizations), holding executive leadership and highly technical roles at Mandiant and Google. He is an internationally recognized cyber security expert, regularly speaking at industry events. He also advises startups and growth companies as an adviser to multiple venture capital firms.

Marshall joined DTEX Systems from Mandiant (now part of Google Cloud) where he spent the past 17 years focused on protecting governments and companies around the globe from nation state and criminal hackers. His 17-year career spanned catching overseas hackers as an incident responder and culminated as the Global Chief Technology Officer, where he oversaw the company’s strategic technical direction.

Prior to being Global CTO, he served as the Executive Vice President for Advanced Practices and General Manager for Mandiant’s Managed Defense business. In this capacity he had responsibility for all managed detection and response (MDR) services, ensuring front line threat intelligence was integrated throughout the company, and malware analysis capabilities. He also served as Consulting VP and CTO with global responsibility for incident response, red/blue team engagements, and strategic consulting. He has led responses to hundreds of damaging and well-known public breaches.

Before joining Mandiant in 2006, Marshall served in the United States Marine Corps for over eight years, specializing in information security and computer networking. Marshall holds an MBA from ASU and a B.S. in Computer and Information Science from UMGC.