Casson is the Mavericks’ second major hire on the business side since Miriam Adelson purchased a majority stake in the team from Mark Cuban in December 2023. Seven months ago, the Mavericks brought on Rick Welts as CEO. Casson will directly report to Welts.

The Dallas Mavericks have hired Ethan Casson in a new role as president, giving CEO Rick Welts someone to handle daily operations on the business side while he focuses on the franchise’s plans for a n

Casson will report to CEO Rick Welts, effective Aug. 11, while Welts focuses on the development of the new arena.