Contact Amanda Farnan Press Secretary (774) 571–3639 [email protected] Chris Liddell, Trump transition expert: ‘90%-plus’ went about the job really well January 22, 2021 Chris Liddell, a former deputy chief of staff to former President Trump, said the vast majority of federal agencies cooperated with President Biden‘s team during the post-election transition period but that he was essentially powerless to prod the few holdouts.