Helene Pehrsson is a Research and Development Engineer at Greenwood Engineering A/S, working with Traffic Speed Deflectometer (TSD )applications, data analysis and the continued development of the Greenwood Viscoelastic Back-Calculation model, of which she is the product owner.

Her background is in physics and mathematical modelling of different materials time dependent strain response to different stresses.

Furthermore, she is a doctoral candidate at Virginia Tech, working on bettering the analysis process of TSD data and how to better utilize the results for pavement condition assessment.