Mr. Hokkanen is an engineer and hydrogeologist with more than 39 years of experience in the investigation and remediation of contaminated properties and has been retained as a testifying expert over the past 15 years. He has developed and defended opinions relating to a wide variety of sites and contaminants involving cost allocation, National Oil and Hazardous Substances Pollution Contingency Plan (NCP) compliance, groundwater flow systems, fate and transport of contaminants in groundwater, standard of care, and source identification. Mr. Hokkanen has developed numerous expert reports, been deposed over 20 times, and testified in five trials.

Mr. Hokkanen started his career in 1980 at the Region 9 office of the US Environmental Protection Agency and helped develop the first Superfund National Priority List. He has been in the environmental consulting field since and has worked on numerous contaminated sites in over 30 states and Canada.