The Biden administration has moved quickly to repudiate many policies of the Trump administration and to select nominees very different in philosophy and experience than their predecessors. After only weeks in office, President Biden's executive actions and appointments have made clear to corporate clients that the federal government will significantly change its priorities and approaches to investigation and enforcement across its agencies. As a result, the need for both defense of enforcement actions and internal investigations is almost certain to increase in a number of areas over the next four years.