David Thoen is a researcher at SRON Netherlands Institute for Space Research. He possess expertise in physics, optics, plasma physics, experimentation, sensors and 12 more skills. He is proficient in French, German and English. Colleagues describe him as "David is an excellent mm-wave engineer, who has proven that he can manage the whole instrument devellopment cycle (concept, protype, detailed design, construction, testing, first measurements) of a new instrument. The data that we obtained with this instrument warranted a publication Phys. Rev. Let. David is also a very positive person with a 'van do' mentality. This makes him an asset in every team."