The Mercer Family

The Mercer family — patriarch Robert and daughter Rebekah — built the digital infrastructure of the Trump movement before most people knew what a Super PAC was. Their money funded Breitbart News, Cambridge Analytica, and Steve Bannon's entire political operation, creating the media-data-political complex that helped elect Donald Trump in 2016. Though Robert Mercer stepped back from public life after the Cambridge Analytica scandal, Rebekah continues the family's political operation and was appointed to Trump's transition team. Robert Mercer, a brilliant computer scientist who helped pioneer natural language processing at IBM, became co-CEO of Renaissance Technologies' legendary Medallion Fund. His hedge fund wealth funded the creation of an alternative conservative media ecosystem: Breitbart News gave the movement a voice, Cambridge Analytica gave it data-driven targeting, and Super PAC funding gave it electoral power. The family's approach was unique: rather than simply funding candidates, they built institutions. Breitbart reshaped conservative media. Cambridge Analytica pioneered psychographic voter targeting (using data harvested from 87 million Facebook profiles without consent). The combined operation was credited with helping Trump win in 2016. But the Cambridge Analytica scandal, which erupted in 2018, ended Robert Mercer's public political career. He resigned from Renaissance's board and retreated from public view. Rebekah, however, continued the operation — she was appointed to Trump's 2024 transition team and remains one of the most influential conservative operatives in America. The Mercer family's $7 billion IRS tax dispute over Renaissance Technologies' trading strategies adds another dimension: they fund candidates who support weakening the IRS — the very agency pursuing their tax case. It is a remarkably literal case of using political donations to protect personal financial interests. The family's combined giving of $100+ million, spanning media investments, data operations, and direct political donations, represents a model of political influence that goes far beyond traditional campaign finance. They didn't just fund politics — they built the machinery of modern conservative populism.