Professor David Day is one of the leading international ADR practitioners the Asia-Pacific region. After obtaining his JD (with distinction) from George Washington University (1974), Prof Day practised in Washington, D.C., San Francisco and finally in Hawaii. During his 30 years of legal practice, Prof Day had been involved in U.S. government Department and Agency work, Asian government and private sector representation in Washington; high technology, telecommunications, computer, software, and Asian investment work in San Francisco and the Silicon Valley; together with a broad array of Asian investment and development work in Hawaii and the Pacific Islands. In recent years, Prof Day has been actively involved in many infrastructure projects in many Asian countries, including Vietnam, as well as China.

Prof Day now serves on the faculties of the University of Hawaii Business School and the William S. Richardson School of Law (also at the University of Hawaii), as well as the Hanoi School of Business (Hanoi, Vietnam). He conducts various programs and courses for practicing lawyers, senior corporate executives, and law and Executive/MBA candidates in the fields of International Trade, ADR, Mediation, Communications, Executive-Decision making, Cross-cultural Negotiations, and Culture, Commerce and Business Development in Southeast Asia. In Vietnam, Prof Day teaches American legal system, international trade, infrastructure development, entrepreneurship, cross-cultural negotiations, international arbitration and mediation/conciliation to many key Vietnamese officials.

Prof Day was instrumental in the brokering and creation of the first public discussions on the subject of economic normalization among several U.S. Ambassadors and Ministers of the Socialist Republic of Vietnam in early 1997 which led to the initial MFN (the Bilateral Trade Agreement) draft between the U.S. and Vietnam.

Prof Day has also been instrumental in the creation, development and training of arbitrators and mediators in North America, Hawaii, Guam and South East Asia. He is a frequent speaker at international symposiums and conferences and is on the panel of arbitrators and mediators of many leading ADR institutions including, the Inter-American Arbitration Commission, the American Arbitration Association (AAA), the Hong Kong International Arbitration Centre (HKIAC), the Singapore International Arbitration Centre (SIAC), China International Economic and Trade Arbitration Commission (CIETAC), and the Korean Commercial Arbitration Board (KCAB).