AMC RENEWS “THE WALKING DEAD” FOR SEASON NINE SCOTT M. GIMPLE ELEVATED TO NEW ROLE AS CHIEF CONTENT OFFICER, OVERSEEING “THE WALKING DEAD” TELEVISION UNIVERSE, INCLUDING “THE WALKING DEAD,” “FEAR THE WALKING DEAD,” AND FUTURE BRAND EXTENSIONS GIMPLE UPS WRITER/CO-EXECUTIVE PRODUCER ANGELA KANG TO EXECUTIVE PRODUCER AND SHOWRUNNER OF “THE WALKING DEAD” NEW YORK, NY …