In January 2016 , Miller joined Trump 's 2016 presidential campaign as a senior policy adviser . Starting in March 2016 , Miller frequently spoke on behalf of the Trump campaign , serving as a " warm-up act " for Trump . Miller wrote the speech Trump gave at the 2016 Republican National Convention . In August 2016 Miller was named the head of Trump 's economic policy team
2016 Republican National Convention
2016 Republican National Convention
Stephen Miller (political advisor)