MANILA, Philippines - Mandarin Oriental, Manila held a dinner reception at the elegant Tivoli restaurant to formally introduce its new general manager Torsten van Dullemen bringing together prominent figures in business, government, diplomatic, society, media and arts circles. Manila Mandarin Hotel Inc. chairman Nonoy Colayco, concurrently the chairman of the Jardine Matheson Group in the Philippines introduced the Dutch hotelier, who has held senior management positions within the Mandarin Oriental Hotel Group since 2004.