Croley was a policy advisor for the Obama for America in 2007 and 2008, serving as convenor of the Law &amp; Judiciary Policy Advisory Committee, co-convenor of the Government Reform Policy Advisory Committee, and surrogate on administrative law and government reform. Croley also served on the Obama-Biden Transition Team in 2008 and 2009 and on the Levin-Stabenow Eastern District of Michigan Judicial Advisory Committee in 2009. He served the Obama White House beginning in 2010, and in the US Department of Energy beginning in 2014. In 2019 and 2020, he volunteered for the Biden for President campaign, and assisted the Biden Transition team.