The Israeli prime minister also thanked Trump for the "warm hospitality" during his visit to Washington last month and for condemning anti-Semitism during a joint address to Congress.
"We will resist all attempts to vilify refugees," HIAS wrote on Twitter. "The U.S. Jewish community owes its very existence to a tradition of welcoming refugees."
Levinson's family said they believe he is still alive, and hope that the Trump administration will be more aggressive with Iran about getting information on his whereabouts.