CYBERSECURITY | DEFENCE | SYSTEMS ARCHITECTURE
AITS Defence, LLC is a veteran-led prime contractor delivering sovereign-grade cybersecurity and applied defense grade secure cross-domain solutions for the U.S. government, defense-industrial base, and allied sovereign partners. Headquartered in Florida, AITS maintains FISMA High and FedRAMP High accreditations across all incident-response programs, ensuring our services meet the most stringent federal and defense-sector security baselines into mission systems that protect national infrastructure, defense networks, and classified operations.
When critical systems are compromised, AITS provides the trusted, immediate response that government and enterprise clients depend on. Our Identify, Respond & Mitigate (THREATCONS) framework combines certified digital forensics, rapid incident response, and post-event resilience engineering to restore mission operations with speed and precision. Our response teams are composed of cleared cyber analysts, threat-intelligence specialists, and incident-forensics engineers, have led investigations into major ransomware events and state-sponsored intrusions impacting enterprise and government networks worldwide.
AITS DEFENCE, LLC
EXECUTIVE TEAM
Founder, President & Chairman
Dr. John Shimonsky is the Founder, President, and Chairman of Advanced Information Technology Defense (AITS) and a nationally respected leader in defense, diplomacy, and advanced information systems. A retired U.S. Army executive and decorated Gulf War veteran, Dr. Shimonsky served more than 35 years in the U.S. military, including as Chief Information Officer (CIO) for the U.S. Army, Middle East Region.
In this role, he led more than 8,000 personnel responsible for designing, deploying, and managing enterprise IT platforms supporting over 300,000 U.S. and allied military and Department of Defense personnel across 11 countries during Gulf War I, Gulf War II, Desert Fox I, and Desert Fox II. He also served as a U.S. Diplomat and Senior-Ranking Signal Officer, representing U.S. interests throughout the Middle East.
Following military service, Dr. Shimonsky led groundbreaking civilian innovations, including overseeing development of Maryland’s first electronic medical record system and the first military cloud-based networks that set today’s operational standards. He holds a PhD in Computer Science, multiple advanced certifications, and degrees from Georgia Tech, the University of Maryland, and Middle East Technical Institute.
Group Chief Financial Officer
A senior commercial FCCA-qualified finance professional, Suzanne Clarke serves as the Group Chief Financial Officer for Advanced Information Technology Solutions Defence, LLC. She brings more than 20 years of experience at the helm of fast-growing international businesses across Fintech, SaaS, Sports, Media, Ecommerce, and Banking. She successfully led multiple financing and exit transactions, including IPOs, trade sales, and management buyouts, partnering closely with visionary founders, private equity and venture capital investors, and Boards to drive entrepreneurial growth and long-term value creation.
With strong commercial acumen and a hands-on leadership style, her expertise spans fundraising, corporate development, strategic financial management, business strategy, and sales operations. She is recognized for contributing to fundamental decision-making at board level, building scalable financial infrastructures, and aligning financial strategy with commercial performance to unlock sustainable profitability.
Career highlights include strengthening balance sheets, securing and extending major debt facilities, leading pricing and margin transformation initiatives, structuring large-scale funding arrangements, and executing successful exit transactions across media, SaaS, fintech, and public sector organizations. Across each engagement, she has consistently improved cashflow, enhanced profitability, and delivered measurable shareholder value while positioning businesses for sustainable long-term growth.