(CNBC) — Mark Cuban, like Donald Trump, is a billionaire, having made his first huge fortune on the sale of Broadcast.com in 1999.
Cuban, like Trump, is a reality TV star, appearing on ABC's business-themed "Shark Tank," a show that also airs on CNBC.
And just like Trump, Cuban is no stranger to controversy: He has been repeatedly fined by the NBA for his boisterous criticism of referees during games of the basketball team he owns, the Dallas Mavericks.
Advertisement - story continues below
But this year, Cuban's most striking similarity to Trump is this: He is thinking about running for president.