His practice focuses on federal administrative/regulatory proceedings and on legislation, particularly involving the Endangered Species Act and related resource laws that impact Pacific Northwest businesses and public entities. Prior to working with Schwabe Williamson & Wyatt, Walt worked in Washington, D.C. for 20 years. His client advocacy involved him with numerous federal departments and agencies and with Congress on behalf of clients ranging from Northwest ports and towboat companies to foreign embassies. Walt is a founding board member of the International Sustainable Development Foundation and serves as chair of the Trade Policy Committee of Pacific Northwest International Trade Association. He is a former member and chair of the Long Range Planning Committee of Vancouver National Historic Reserve Trust (now Ft. Vancouver National Trust).