Building Trust Through Expertise

Founder and driving force behind CoieeInvest, a company that bridges the worlds of international finance, aviation, and energy. With a strong background in financial engineering and global trade, he specializes in structuring aviation loans, bank instrument leasing, and large-scale energy development projects.

Over the years, Mario has built trusted partnerships with leading corporations such as Boeing, Airbus, and Gulfstream, and has played a key role in global fuel trading — including Jet A1, Euro 4, Euro 5, EN590, and D2 Diesel. His strategic vision focuses on connecting capital with opportunity, delivering secure and innovative investment solutions that foster sustainable growth.

Mario Winniczuk

Founder & Executive Director

Founded in 1990 in Rotterdam, CO. IEE GROUP combines financial engineering with advanced technology and global capital access to create sustainable investment solutions. Over the past three decades, we have built a reputation for innovation, precision, and trust — guiding clients through complex financial landscapes with Swiss-level expertise and transparency.

As a member of the World Economic Forum in Davos for over 10 years, CO. IEE GROUP continues to shape the future of finance through strategic partnerships, responsible investing, and forward-thinking financial models that connect capital, technology, and opportunity on a global scale.

Mission

Connecting capital, technology, and trust to build sustainable growth. We leverage advanced financial engineering and innovative technology to create investment solutions that not only grow and protect wealth, but also empower businesses to thrive in a rapidly evolving global market. By fostering transparency, strategic partnerships, and forward-thinking approaches, we aim to deliver long-term value and stability for our clients, partners, and stakeholders, shaping a future where opportunity meets responsible growth.