Toyota Motor Corporation Australia, or Toyota Australia, is a subsidiary of Toyota Motor Corporation, which is based in Japan. TMCA markets Toyota products and manages motorsport, advertising and business operations for Toyota Motor Corporation in Australia. TMCA is also responsible for Lexus vehicles in Australia. The current head of TMCA is Max Yasuda and David Buttner is TMCA's senior executive director of sales and marketing. John Conomos is Chairman Emeritus and is the Principal Policy Advisor on TMCA.