Matt Williamson is a litigation partner in Manatt’s Orange County office whose practice focuses on environmental matters and white collar criminal defense.
Matt has extensive experience advising clients on matters relating to compliance with federal, state and local environmental laws and regulations. Matt’s environmental experience includes the representation of clients in litigation, administrative proceedings, enforcement actions and in the regulatory compliance context. In this capacity, Matt has worked with clients on matters involving hazardous waste, water, clean air, FIFRA/pesticides, Prop 65 and natural resources, among others.
Matt’s white collar practice includes the representation of clients in connection with all phases of governmental investigations, criminal jury trials, quasi-criminal and regulatory matters, as well as conducting internal investigations of corporate clients following allegations of misconduct. Matt has handled matters involving allegations of environmental crimes, antitrust violations, unfair competition, financial and securities fraud, healthcare fraud, public corruption and RICO violations.