Today, HK: American Chamber of Commerce post-Policy Address joint luncheon. Speaker: Chief Executive Donald Tsang. HKCEC. American Institute of Architects Hong Kong conference: 'Pacific crossings' (until tomorrow). Four Seasons Hotel. Tomorrow, HK: British Chamber of Commerce luncheon: 'Managing to lead effective leadership skills: Do you have what it takes?'. British Consulate-General. Community Business and HKU joint seminar: 'The state of work-life balance in Hong Kong'. HKU.