Jeff Yass appears to be libertarian, nationalist and pro-Israel. Presumably he donated to Massie because he's libertarian, but potentially he could have influenced him to be more pro-Israel.
According to Wikipedia Jeff Yass is a registered Libertarian and in 2021
the Israeli newspaper Haaretz reported that Jeff Yass and Arthur Dantchik were behind a large portion of the donations to the Kohelet Policy Forum [in Israel], whose worldview is based on nationalism, low taxes and market freedom
Also according to Haaretz, Yass is a major supporter of Israeli right-wing think tanks.[32] In April 2024, The Guardian reported that Jeff Yass donated $16 million to anti-Muslim and pro-Israel groups.[34]
Jeff Yass appears to be libertarian, nationalist and pro-Israel. Presumably he donated to Massie because he's libertarian, but potentially he could have influenced him to be more pro-Israel.
According to Wikipedia Jeff Yass is a registered Libertarian and in 2021