Peggy Otum is co-chair of WilmerHale’s Energy, Environment and Natural Resources Group. Ms. Otum represents large corporations, public companies and universities in federal and state environmental enforcement matters and litigation. With over 20 years of experience in environmental enforcement defense and litigation, Ms. Otum is a nationally recognized lawyer who has played a leading role in a number of high-profile environmental crises and disputes, specializing in crisis management. She routinely assists clients in conducting internal investigations and responding to multi-faceted governmental investigations brought by a range of federal and state environmental, health, and safety regulators, including the US Environmental Protection Agency, the US Department of Justice, the US Occupational Safety and Health Administration (OSHA), the Chemical Safety and Hazard Investigation Board (CSB), California’s Division of Occupational Safety and Health (better known as Cal/OSHA) and the California Department of Toxic Substances Control.