The Board

Arjen Landman serves as President of GKN Fokker and is a member of the executive board of GKN Fokker Technology Group B.V. In this role, he focuses on strengthening the Dutch aerospace ecosystem, further leveraging the sector’s strategic importance, and advancing capability development through collaboration with leading OEMs, technology partners, and knowledge institutions. He represents GKN Fokker in the Netherlands in the sector’s transition towards sustainable, low-emission aviation.

Prior to his current position, Arjen was responsible for civil programmes within the relevant GKN business line, covering products ranging from business jets and advanced air mobility (AAM) solutions to various Electrical Wiring Interconnect System (EWIS) applications. His previous roles also include leading the development and delivery of a new armoured wheeled vehicle within an international consortium, as well as contributing to the development of the NH90 helicopter. Throughout his career, his primary focus has been on international programme management in both defence and civil environments.

Arjen has a background in Business Administration and electronics. He is married and lives in the countryside near Amsterdam. In his spare time, he is a passionate golfer and enjoys travelling and exploring different cultures.

GKN Aerospace is one of the world’s largest independent Tier 1 suppliers to the global aerospace industry. With more than 100 years of experience, the company delivers complex, high-value metal and composite assemblies for aircraft structures and engines, as well as landing gear, transparencies, and electrical wiring systems. GKN Aerospace has an annual revenue of over €4 billion and employs more than 17,000 people across 38 manufacturing locations in 12 countries on three continents.

Ellen Hanselman is the Managing Director of the MBO Colleges Airport and Amstelland. MBO College Airport in Hoofddorp serves as the vocational school for courses focused on the airport, aviation, and logistics services. Ellen also serves as a board member of the Board of Stakeholders Aviation Education (College van Belanghebbende Luchtvaartonderwijs, CvBLo). In this capacity, she is involved in the Human Capital Agenda of Luchtvaart in Transitie and has been a board member of the Foundation Luchtvaart in Transitie since December 2023.

Henri Werij obtained his MSc in experimental physics and PhD in atomic physics and quantum optics at Leiden University. After spending several years in Boulder, Colorado (JILA) and Amsterdam as a postdoc, he started working at the Dutch research organisation TNO in the field of satellite instrumentation for Earth atmosphere monitoring. His last position at TNO before moving to Delft University of Technology in 2017 was Director of Space and Scientific Instrumentation. Since then he is professor and dean at the Faculty of Aerospace Engineering. Here, together with a scientific staff of about 130 professors in aerospace engineering and nearly 400 postdocs, researchers and PhD candidates, he aims to contribute to a sustainable world, by enabling developments needed for the worldwide energy transition in general and sustainable, i.e. climate-neutral, aerospace in particular. Interdisciplinary world-class research, international collaboration and excellent education to many and highly motivated students at the Faculty are the cornerstones of his policy.

Lex Besselink is the Chairman of the Board of the NAG. He has a distinguished career with his background and expertise in military and strategic management. Graduating from HBS-B in 1971, he furthered his education at the Royal Military Academy and Technical University of Delft, specializing in Technical Physics. His military journey, spanning from 1975 to 2008, saw him in various roles within the Royal Dutch Army, including as an Officer and Military Attaché for Germany and Switzerland.

Transitioning into civilian leadership, Lex served as the Director of Procurement and later as the Director of Material Directorate for the Army. As a Major General, he held the position of Director of Weapon Systems and Depots at the joint Defense Materiel Organization. Lex has been a key figure in various capacities, including leading the Program Office World Class Maintenance and chairing the Strategic Advisory Council at TNO for Defense, Safety, and Security , and he is also member of the supervisory board of the NLR.

Beyond his military and professional accomplishments, Lex has dedicated himself to numerous societal roles. From being a Lion’s Club District Governor to leading the boards of war museums and conservation organizations, Lex actively contributes to his community. His diverse interests include tennis, golf, reading, crafting, and puzzles. Lex’s commitment to excellence extends to his current roles as Chairman of the Netherlands Aerospace Group and the Board of World Class Maintenance, showcasing his ongoing passion for advancing technology and knowledge.

Rob Postma is Managing Director of Airbus Netherlands BV, the largest space company in the Netherlands and supplier of high-tech products and services for the international aerospace industry. In this capacity, he is responsible for the management of the Leiden-based company, which employs around 265 engineers at the production facilities in Leiden and Oegstgeest and at the Main Operating Base of the Multinational MRTT Fleet in Eindhoven.
Before joining Airbus Netherlands, Rob Postma has held various positions within the international Airbus organisation since 2007. He served as VP Head of Governmental Export Business for Airbus’ division Space Systems, overseeing global business development and marketing and sales activities of earth observation and telecom satellites for national space agencies and military organizations. Previously, Postma was responsible for business development and sales for Earth Observation, Navigation & Science and for the sale of intelligence based on data from space in the EMEA and Latin America regions.
In addition to his daily commitment to the teams of Airbus Netherlands, Rob Postma is responsible for the Roadmap Space within Holland High Tech and member of several advisory councils, such as the Advisory Board of Royal Netherlands Aerospace Centre NLR, the strategic advisory board of TNO Industries, the Advisory Council Aerospace Engineering of Delft University of Technology, the NSO Stakeholder Consultation Platform, the Eurospace Council, the Taskforce Technological Industry of Economic Board Zuid-Holland and the Advisory Board of the Dutch Air- and Aerospace Foundation NLF.

With a passion for technology and many years of international experience in aerospace, Tineke van der Veen has been leading the Royal Netherlands Aerospace Centre (NLR) as CEO since June 1, 2025.
In her role, she is focused on strengthening NLR’s position as a knowledge partner for both government and industry, with a clear emphasis on safety, sustainability, and technological innovation.

Tineke holds a Master of Science in Aerospace Engineering from Delft University of Technology, which laid the foundation for a career that took her from Rolls-Royce in the United Kingdom to Airbus, Fokker/GKN Aerospace, and Boeing.
At Boeing, she served as Managing Director for the Benelux and Nordics. As an independent advisor through her consultancy Blue DragonFly, she has continued to work within the sector, with a focus on strategy, innovation, and societal impact.

In addition to her technological and strategic expertise, Tineke has a strong eye for the human side of innovation. She believes that true progress only gains value when people and technology go hand in hand.
Fostering talent, creating space for growth, and building a culture of curiosity and trust are, to her, just as vital as technical achievement.