In 1997 he started as a researcher for the development of the patented 3D Borehole Radar system in the geophysical soil survey company T&A, Amsterdam, The Netherlands. He has a broad experience in geophysical surveying with different techniques, development of geophysical equipment and (project-)management. Currently involved in consultancy, marketing and sales as well.
He is also responsible for monitoring of quality, safety and sustainability within T&A.
Bas is also a certified UXO expert and he is specialized in performing historical preliminary research for UXO.
He is also a certfied UXO expert and he specializes in historical preliminary reseach. At T&A Survey he has carried out several combined archaeological and UXO surveys.