Dr Charlotte Usher is a Chartered Geologist, Chartered Scientist and principal geophysicist, with nearly 10 years’ experience in industry. Charlotte is technical lead for geophysics within RSK, and is actively involved in research and development as well as working on large scale commercial projects. As lead author for the CIRIA C812 guidance, Charlotte aims to encourage the use of geophysics in ground investigations as well as promoting good practice within the industry.