Conway lived in Trump World Tower from 2001 to 2008 and conducted private polls for Trump in late 2013 when he was considering running for governor of New York. In the 2016 Republican presidential primaries, Conway initially endorsed Ted Cruz and chaired a pro-Cruz political action committee. After Cruz withdrew from the race, Trump appointed Conway as a senior advisor and later campaign manager. On December 22, 2016, Trump announced that Conway would join his administration as counselor to the president. On November 29, 2017, Attorney General Jeff Sessions announced that Conway would oversee White House efforts to combat the opioid overdose epidemic.