Title: Owner, Dallas Mavericks
Pro: Since taking over the moribund Mavs in 2000, he has upgraded the team's facilities and become the most fan-accessible owner in sports. Try him at firstname.lastname@example.org. The team is an annual favorite to win the championship, and had the NBA's best record this year.
Con: The Mavs stunning collapses the last two post-seasonsblowing a 2-0 lead to the Miami Heat in last year's finals, and falling to the eighth-seeded Golden State Warriors in the '07 playoffshave fans wondering if Cuban's entertaining teams lack championship toughness.
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