Mark Cuban: SEC could tank Biden’s re-election chances as Trump embraces crypto Billionaire Mark Cuban is concerned about President Joe Biden’s chances of re-election and blaming the U.S. Securities and Exchange Commission (SEC). In a May 10 post on X, Cuban — a minority stakeholder of the Dallas Mavericks — criticized SEC chair Gary Gensler’s regulatory approach toward the crypto industry. And if the 2024 U.S. presidential election goes to former, and twice-impeached President Donald Trump, the SEC could bear the blame, he says.