Who We Are

In today's complex and dynamic environment, you need smart, nimble security solutions that move at the speed of your business.
Aventel offers concierge-level service and agile digital technologies, tailored to seamlessly support the unique security needs of every client and situation.

Decades of specialized security knowledge and experience.

aventel TEAM
Stefan Nedkoff
CEO and Founder
Stefan is an international security and risk management expert with 30+ years experience leading high-performance teams to mitigate physical, digital, and human risks across 50+ countries. He has served private clients, Fortune 500s, and governments globally.
Lucy Theron
General Manager
Lucy is a talent and operations leader with 20+ years’ experience aligning workforce strategy with business goals. She drives operational efficiency, cost reduction, and performance across international recruitment and EMEA projects.
Gavin Riley
Regional Director African Operations
Gavin is a veteran security and crisis expert with 30+ years protecting diplomats and executives. As a former SAPS VIP Commander, he is trusted for delivering tailored solutions that ensure safety and stability in volatile African and Middle East environments.
Ruan De Beer
Head of Digital Engineering & Analytics
Ruan is a seasoned data analytics leader with 30+ years in intelligence tech. He has led KPMG BI teams and built Aventel’s Fusion Center for high-impact due diligence and risk management.
Gavin Sinclair
Director, Forensics & Intelligence
Gavin is a 30+ year intelligence leader advising global sectors on business risk, compliance, and strategy. He is known for delivering insights that help clients operate confidently in complex, multi-jurisdictional environments.
Tim Langerhans
Director, Strategy & Operations
Tim is a West Point graduate with experience in engineering and project management both domestically and abroad. He oversees strategy and operations, ensuring seamless execution and alignment across complex international initiatives.
Nick Curtin
Operations & Analysis
Nick is a former U.S. Army officer and West Point graduate with experience as a tactical leader, staff officer and executive advisor to senior leaders in the US and Iraq which has shaped his skills in operational management, intelligence analysis, and project planning.
Alfredo Phoenix
Advisor, US
Alfredo holds 35 years experience across ATF, DOJ, and Interpol, specializing in international security and capacity building. He supports Aventel’s U.S. initiatives with strategic insight into global law enforcement collaboration.

Security Council

Our global network of experienced security professionals and subject matter experts are an integral part of our team, offering on-the-ground security and intelligence services in the most complex areas of the world. Unpredictability is built in to our approach, so we expect the unexpected and can flex to your needs with vetted professionals, at your service 24/7.

100+
Combined Years of Experience
80+
Countries Worldwide
Our Work