Accra, April 18, GNA - Mr Supachi Punitchpakdi, Secretary General of the United Nations Conference on Trade and Development (UNCTAD), arrived in the country last night to participate in the 12th meeting of UNCTAD scheduled for April 20 to 25, 2008. The Heads of State of Brazil, Nigeria, Finland, El-Salvador, Nigeria, Senegal, Tunisia and Turkey are expected to participate in the meeting The conference which is on the theme; "Addressing Opportunities and Challenges of Globalisation for Development," would be attended by about 4,500 representatives of UNCTAD's 193 states, including participants from other international bodies, non-governmental organisations, businesses and the academia.