São José dos Campos, Brasil , October 31, 2025
October 31, 2025 — Modirum | Gespi is pleased to announce the appointment of Jussi Tammelin as President of the Air Systems Business Unit, effective November 1st. In this role, Jussi will lead the continued development and strategic expansion of Modirum | Gespi’s advanced air technologies, including next-generation UAV platforms, autonomous aerial systems, and AI-powered mission solutions.
“It’s a true honour to lead the Air Systems Business Unit at this pivotal time,” said Jussi Tammelin. “We are shaping the future of autonomous aerial operations with unmatched innovation and purpose. I look forward to working with our exceptional teams to scale our capabilities, strengthen international partnerships and deliver excellence across all domains.”
Jussi brings more than two decades of international experience in defence and technology, with a strong track record in executive leadership, systems engineering, and operational excellence. Since joining Modirum | Gespi, he has played a key role in advancing the company’s capabilities in unmanned systems and high-performance aviation platforms. His leadership has been instrumental in establishing Modirum | Gespi as a reference in intelligent air system innovation.
As part of this transition, Matthew Millward will be moving into a new strategic role at Modirum | Gespi, serving as Strategic Advisor to support ongoing integration, international partnerships and defence innovation initiatives.
“Leading the Air Systems unit has been a remarkable journey,” commented Matthew Millward. “I’m proud of what we’ve accomplished together and excited to continue contributing to Modirum | Gespi’s growth in a new strategic capacity. I know the team is in great hands with Jussi at the helm.”
We extend our sincere gratitude to Matthew for his outstanding leadership as President of the Air Systems Business Unit. Under his guidance, the team has delivered major product advancements, solidified key client relationships, and established a future-ready roadmap for sustainable innovation. We thank him for his dedication, vision, and continued commitment to Modirum | Gespi’s mission.
The appointment reflects Modirum | Gespi’s ongoing strategy to empower each business unit with the leadership and capabilities required to meet the evolving demands of global defence and security sectors.
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