Dan Veal is a senior research scientist at the National Physical Laboratory (NPL), the United Kingdom’s national measurement institute. Veal’s research interests include photogrammetry (where he holds a patent), laser trackers, large volume metrology, and applying dimensional metrology to other challenging projects. He leads the micro-vibration measurement area of NPL, which applies interferometry to the tracking of assemblies in real time in six degrees of freedom for ground-based satellite testing facilities.