16-01-2017 website




Joost de Ruiter


Joost finished his business economics studies in Groningen (MBA) and completed his military service as a Royal Navy officer, after which he started in the family business of Weststellingwerf in 1991. This is a Dutch investment company with a long history in shipping, real estate and the travel industry.

Weststellingwerf either reorganised, made profitable or closed down various companies which were members of the holding and new companies or joint ventures were started up.

Apart from being a shareholder in Weststellingwerf, Joost is a shareholder and a non-executive member of the board of Bermuda International Shipping Ltd., a ship-owner operating container liners from the East Coast of the United States to Bermuda.

Joost is the shareholder of High Eye and a board member of UVS International.

Joost is assisted by Daniella Piekaar and Anita Speelpenning, who are both active within High Eye on a regular basis in administrative and personnel matters.




Marijn van de Ruit

Commercial Director & Engineer

Marijn is a commercial pilot (CPL), but he also has a big talent and passion for designing and building model aircraft and helicopters. This started when he was a young child, when he started designing wing-in-ground-effect vehicles. Before joining High Eye, Marijn worked as a first officer for Maastricht Airlines (Fokker 50) and was an entrepreneur, who set up his own Aviation company in Kenya. He imported a single engine plane from the UK, flew it over to Kenya and used it to supply transport services to a large security firm in East Africa. He also worked for the TU-Delft Roboswift UAV project as a flight control designer and test pilot.

Within High Eye, Marijn will focus on designing the helicopters and searching for distributors and agents around the world. He will be representing High Eye on all national and international exhibitions. Besides this he is a pilot for test- and demonstration flights.




Machiel Verhagen

Engineer & Pilot

Machiel is the son of the founder of the company and he was almost literally born between model helicopters. Before becoming a member of the High Eye team, Machiel owned his own model helicopter flying school and a model aircraft shop. Machiel is an excellent pilot with a wealth of experience in flying and building model helicopters.

In the past, Machiel worked as a dental technician for several years, which makes him very proficient in assembling the finest constructions.

Within High Eye, Machiel will assemble the HEF 32 models. Further, he assists in all testing and demonstration matters as a pilot and engineer.



Esther van de Ruit

Commercial Manager & Compliance Officer

Esther is in the possession of a Commercial Pilot License (CPL). In the past, Esther worked for Maastricht Airlines (Fokker 50) and for Orange Aircraft Leasing (Beechcraft 300/1900). In the last company she was, besides being a pilot, responsible for writing the Operations Manual, the Safety Management System and other certification required documents.

Esther is responsible for all compliance work within High Eye. She will produce the Operations Manual, the Safety Manual and all other manuals that are required for the certification processes of the HEF 32. Esther is also responsible for all other regulations, general conditions and safety matters. Besides this, she will start-up the sales department with an international network of distributors and agents and she represents High Eye on all national and international exhibitions.



Christopher Witmer

Engineer & Pilot

Christopher has a bachelor in aviation technology with a minor in aerospace technology and light weight constructions. Before joining High Eye, Christopher worked for several manned aviation companies as a designer and engineer. Here he gained extensive experience in designing technical systems and processes. Christopher has been a helicopter enthusiast for years and is an experienced model helicopter pilot. Besides this, he has a great passion for 3D printing and molding.

Within High Eye, Christopher focusses on the designing, building and testing of the HEF 32.





Boaz Beekhof

Engineer & Pilot

Boaz studied automotive engineering at the Technical College in Rotterdam. After his study, he started his career at PAL-V, a company which designs a Personal Air and Land Vehicle (flying car). He worked on very complex and innovative subsystems, such as the exhaust, powerplants and steering column.

Boaz joined High Eye in January 2017 as an engineer. He will assist the team in further developing and testing the HEF 32. Besides this, he will go to several exhibitions and he is one of the international demo pilots of the company. Therefore he is currently busy getting his RPA-L license at NLR in The Netherlands.

In his spare time, Boaz enjoys traveling the world and building his own custom motorcycles.