On Tuesday, news broke of billionaire Tom Dundon leading a group to purchase the Portland Trail Blazers for around $4 billion. With the estate of Paul Allen, the former owner of the Blazers, reaching a tentative agreement to sell the team, all eyes are now on the face of the purchasing group. A closer look at Dundon's resume shows that this businessman is certainly no stranger to sports ventures.Who is Tom Dundon, new owner of the Portland Trail Blazers?Back in January 2018, Dundon became the majority owner of the NHL's Carolina Hurricanes. According to Forbes, Dundon paid $420 million to acquire 61% of the franchise's shares. Since Dundon took over, the Hurricanes have made the Stanley Cup playoffs for seven straight seasons, reaching the conference finals thrice.Dundon, who obtained his economics degree from Southern Methodist, achieved a personal milestone back in 1997. He and his partners established a car financing corporation that would come to be known as Santander Consumer USA. To this day, Santander continues to thrive in the auto finance industry.NHL: FEB 19 Rangers at Hurricanes - Source: GettyThroughout his business career, Dundon has tried his hand in various fields. The 53-year-old has made investments in real estate, hospitality, and tech. In 2015, he founded Dundon Capital Partners, a Dallas-based private investment firm.Over the years, Dundon, who was raised in Texas, has lent a helping hand to charities in the Dallas area. One of his philanthropic initiatives is the establishment of the Dundon Family Charitable Fund, which supports academic and athletic initiatives in a number of universities.Aside from hockey and basketball, Dundon has dipped his toes into the world of pickleball. The billionaire happens to be a majority owner of Major League Pickleball, as well as the PPA Tour.