An unpaid group of billionaires, tech executives and some disciples of Peter Thiel, a powerful Republican donor, are preparing to take up unofficial positions in the U.S. government in the name of cost-cutting.

Elon Musk is backing away from his campaign trail commitment to trim $2 trillion in government spending. While stumping for Donald Trump days before November’s presidential election, the billionaire GOP donor told cheering fans he would help the new administration cut “at least” that amount from the federal budget.