
Our Story
GPSG cybersecurity consulting services were founded by experienced professionals in cyber executive leadership, security, insider threats, counterintelligence, and emerging technologies.
Our cyber team has more than 30 years of experience securing large enterprise systems and providing strategic advice to IT and cyber organizations.
Meet the GPSG Cyber LEADERSHIP Team
We believe that as business leaders in our community we have an obligation to treat our employees, clients, and networks fairly and help them achieve their personal, professional, and enterprise goals.
John Lister
Vice President, Cyber Capabilities
John co-founded GPSG cyber offerings and engages with executive clients on cybersecurity, including cloud, data protection and encryption architectures, and compliance.
Crystal Lister
Senior Director, Insider & Cyber Threats
Crystal co-founded GPSG cyber offerings and leads GPSG’s enterprise Insider Threat Program (ITP). She engages with executive clients on insider and cybersecurity risk.
Contact us Today
We look forward to exploring how we can help address your organization’s cybersecurity needs.


