I have 30 years of experience, and specialize in the field of subsurface utility engineering with specific knowledge in the areas of utility mapping, damage prevention and project risk management. I have published on such topics as advanced geophysical techniques, GIS utility databases and utility accommodation policies. I have testified 12 times on topics such as wrongful construction deaths, engineering standard of care and project development processes. I am considered a founder of a new recognized branch of civil engineering practice called Subsurface Utility Engineering