Yes, he is an independent director-- Statement from letter to Tong from PMCB:
2.1. Duties. You will render services as a member of the Board in accordance with high professional and ethical standards and in accordance with applicable laws, rules and regulations pertaining to your performance under this Agreement. You will use your best efforts to attend all meetings of the Board called from time to time, either in-person or by telephone. You will serve as member of the Audit Committee of the Board and will use your best efforts to attend meetings of the Audit Committee as required by its members pursuant to its Charter as may be called from time to time. As an independent director, you may also be required to attend meetings with the other independent directors without the presence of the Company’s officers and non-independent directors. The services described in this Section 2.1 are hereinafter referred to as your “Duties.”