In August 2016, Nader met with Donald Trump Jr. at Trump Tower offering assistance to the his father's presidential campaign.[9] Nader served as an envoy representing Saudi Arabia's Crown Prince and de facto ruler Mohammad bin Salman and Mohammed bin Zayed Al Nahyan, the Crown Prince of the Emirate of Abu Dhabi. The meeting included Blackwater founder Erik Prince again and Joel Zamel, an Israeli specialist in social media manipulation.[10][9]