He has acted as consultant to a leading firm of London stockbrokers, an international market research organisation, the London International Financial Futures Exchange, the World Gold Council and a number of governmental committees.
She is a member of the Society of North American Goldsmiths, SNAG, the World Gold Council, the American Gemological Trade Association, the Contemporary Design Group and the Jewelers of America.
World Cup | FIFA World Cup | World Trade Center | World Series | 2010 FIFA World Cup | World Bank | World Health Organization | Guinness World Records | 1978 FIFA World Cup | World Series of Poker | Allies of World War II | ATP International Series Gold | BBC World Service | gold | ATP World Tour 250 series | World Heritage Site | Second Vatican Council | World Boxing Association | World Boxing Council | United States National Research Council | 2006 FIFA World Cup | National Research Council | World Wide Web | As the World Turns | World Trade Organization | ATP World Tour 250 Series | Gold Coast | World Rally Championship | Privy Council of the United Kingdom | World Intellectual Property Organization |