In the era of unlimited donations to super PACs and politically oriented nonprofits, billionaires are becoming inextricably linked to the day's political story. Their rhetoric and cash is playing a big role in shaping the nation's political landscape, both publicly and behind closed doors.

And we even have one leading the race for the Republican presidential nomination.

Today on The Fix, we're debuting out list of the 10 most influential billionaires in politics. These nine men and one set of brothers (and yes, they are all men) are all playing big or threatening to play big in the 2016 campaign, with major assists from their pocketbooks. With one check, they're able to lift a candidate or cause they support — or potentially damage one they oppose.

But it's not all about the campaign donations. Never has the system of influence in American politics been so complicated, and each of the men below has his own strategy for effecting his brand of change.

Without further ado, here are the 10 most influential billionaires in politics!