Radio DJ Casey Kasem was born Kamal Amin Kasem, the son of Lebanese immigrants. Kasem is perhaps best known for his weekly radio show, American Top 40. But, we want to remember Kasem for his Arab American roots and activism within that community. Radio DJ Casey Kasem was born Kamal Amin Kasem, the son of Lebanese immigrants. Kasem is perhaps best known for his weekly radio show, American Top 40. But, we want to remember Kasem for his Arab American roots and activism within that community.