Shai Beloosesky, former IDF colonel and Israeli government advisor, spoke at a New York rally. The Reform Rabbi said: “There is no Judaism without democracy."
He continued: “We must preserve the alliance with the United States of America and listen to the voices coming from the White House and the State Department”.
Relations between the US and Israel have been delicate in recent months since the reforms were announced.
Biden has so far declined to invite Netanyahu to the White House, normally a standard courtesy extended to Israeli leaders.
Israel's president, Isaac Herzog, is set to visit Washington next week, and has been invited to address a joint session of Congress on July 19 to celebrate Israel's 75th anniversary.