Mario Stylianou

About Mario Stylianou

Mario Stylianou is a longtime DC-metro area native and committed public service professional. He leverages his management consultant experience from the Department of Homeland Security in civil service and specializes in Federal cybersecurity strategic planning. Mario focuses on executive engagements with agency leadership and provides innovative solutions to optimize performance and help organizations reach their full potential.Mario helps agencies develop model approaches and operational guidance to drive government-wide strategic cybersecurity improvements and provide cybersecurity program capability-focused training and technical assistance. He assists agencies in measuring cyber risk, identifying areas to improve security, and applying this analysis to maturing government-wide cybersecurity capabilities and risk management. Through strategic engagement, Mario builds partnerships and fosters collaboration between stakeholders to drive DHS cybersecurity program adoption, improvements, and capability enhancements.Before entering consulting, Mario was a researcher in a trade association for alternative energy, an editor for a Greek-American outreach fellowship, a pro-bono consultant for Representative John Sarbanes (D-MD), a Program Coordinator for a leadership institute, and a statistical consultant and researcher for various University of Maryland research centers. He also does freelance website design and programming. CERTIFICATIONSPMP (Project Management Professional)CISSP (Certified Information Systems Security Professional)CEH (Certified Ethical Hacker)CNDA (Certified Network Defense Architect)CLEARANCES / CITIZENSHIPDHS Top Secret (TS/SCI) & High Public TrustU.S. Citizen

Experience

1. Chief of Staff (Jcdc)

   Cybersecurity And Infrastructure Security Agency

   Jun 2025 — Present · Arlington, VA, US

   Align JCDC strategy, governance, and enterprise operations – budget, contracts, personnel, technology, and executive support – to convert leadership priorities into disciplined execution. I optimize JCDC\'s operating rhythm, decision support, and implement modernization to deliver repeatable, measurable outcomes that advance JCDC’s public–private cyber defense mission at a national scale.

Education

• American University

  Doctor of Philosophy - PhD, School of Public Affairs

  2007

• University of Maryland

  Bachelor of Arts - BA, Government & Politics; Public Policy

  2004 — 2006

• University of Maryland

  Master of Public Policy - MPP, International Security and Economics Policy

  2004 — 2007

• University of Long Foster

  License, Real Estate

  2005 — 2005

Skills

• Project Management
• Cybersecurity
• Thought Leadership
• Federal Grant Management
• Cybercrime
• Disaster Preparedness
• Web Design
• Statistical Modeling
• Program Evaluation
• Program Development
• Policy Analysis
• Public Administration
• Statistical Reporting
• Magento
• Public Policy
• Php
• Html
• Spss
• Javascript
• Css
• Google Analytics
• Google Earth
• Google Maps
• Joomla
• Kml
• Stata
• Wordpress
• Emergency Management
• Homeland Security
• Government Contracting
• Federal Government
• Policy
• Crisis Management
• Government
• Grants
• Google Adwords
• Balsamiq
• Mysql
• Photoshop
• Community Outreach