It has been reported that Detroit Pistons President of Basketball Operations Joe Dumars will resign at the end of the current season. 

Dumars was part of the Pistons team that won back to back NBA championships and was part of the management team that led the team to a third title.    The Pistons have not been successful the past several seasons despite changing several players and coaches.

http://bleacherreport.com/articles/2021300-joe-dumars-reportedly-will-resign-as-pistons-president-of-basketball-operations