25 years advised and represented governments, corporations and associations in international trade, investment and tendering law; partner in two major Canadian law firms since 1994; clients have included governments of Canada, Mexico, Latin American, African and Central Asian states, major transnational corporations, in WTO and regional trade negotiations, working groups and disputes; retainers by agricultural, mining, steel, pharmaceutical, telecommunications, aerospace and consumer product sectors, negotiating tariffs, amending legislation for international law compliance, WTO conformity, and trade-related compensation; advised Canadian Parliamentary and Senate Committees on international trade rights, obligations and negotiations; External Counsel at the Advisory Centre for WTO Law in Geneva; ranked first tier by independent, peer-reviewed domestic and international attorney rating agencies for expertise in WTO and trade law.