Josh Humiston He started out in the agency mailroom in 1995 and was promoted to partner in 2007. Josh Humiston, a partner and music agent at the Agency for the Performing Arts, died Wednesday in a Los Angeles hospital after suffering a stroke. He was 48. "Josh was a unique and exceptional agent who was fiercely passionate and loyal to his clients and this company for 26 years," Jim Gosnell, CEO of APA, said in a statement. "A much-loved member of our APA family, he wore his heart on his sleeve and would fight equally as hard for his clients as he did his colleagues. He will be extremely missed by all of us as well as the music community in which he served."