Aaron Klein is an American-Israeli conservative political commentator, journalist, strategist, bestselling author, and senior advisor to Prime Minister Benjamin Netanyahu. He served as campaign manager for several of Netanyahu's election campaigns and chief strategist for Netanyahu's 2020 election campaign that resulted in a rotating unity government with Netanyahu at the helm and his 2022 campaign in which Netanyahu won a full-term. Klein was Netanyahu's full-time strategic advisor in government from 2020 to 2021, during the period Netanyahu was prime minister of Israel's 36th government and he serves as a strategic advisor to Netanyahu during Israel's 37th government.