From Wiki -- looks like he got connected to the cabal via being a Rhodes scholar and going to Yale.

... an American political advisor who serves as the United States National Security Advisor to President Joe Biden. He was previously a senior policy advisor to Hillary Clinton's 2016 presidential election campaign and her deputy chief of staff at the Department of State when she was Secretary of State. Sullivan was also a senior advisor to the U.S. government for the Iran nuclear negotiations

Getting closer to the real targets.