It's cool to see athletes transition to other things after their careers are done. Most people assume they go on to either become on-air personalities, coaches, or open up a chain of car washes. Desmond Mason still does the radio commentary stuff, but has also pursued his other passion as a painter. He studied studio art in college, and has continued to paint after his retirement from the NBA, exhibiting his work all over the world.
He even designed the graphic for the new Keep It Local card. Check it out: