John has over 24 years' experience across PNG, Australia, Solomon Islands, Fiji and New Caledonia. He was previously a Partner with Deloitte and became the first national audit partner in the Deloitte PNG office. His experience includes private sector, government, SOE and development-partner engagements, as well as due diligence, special investigations and agreed-upon procedures.

Private Sector: Retail and banking (SP Brewery and BSP); oil and gas (Oil Search Ltd); insurance (Marsh Insurance); manufacturing (Globe Manufacturing Ltd); and agriculture (Hargy Oil Palm, WR Carpenters Estates, Coconut Products Ltd and Kongo Coffee).

Public Sector: Department of Health, Department of Works, Department of Justice and Attorney General, National Judiciary Staff Services and National Statistical Office.

Non-Government Organisations: European Union-funded projects (Stabex Funds) in PNG and Solomon Islands; the Secretariat of the Pacific Community (SPC) in Nouméa; and AusAID- and World Bank-funded projects.

Gai has 22 years of audit and accounting experience in China, Australia and Papua New Guinea, with extensive exposure to the mining, oil and gas, and energy sectors and a deep understanding of both Chinese and Australian business cultures. He is recognised for his technical excellence, client relationship management skills and leadership of finance teams. He has a proven track record in IFRS and US GAAP reporting, ERP implementation, joint venture finance and cross-border advisory. His past clients include Yancoal Australia, Ansteel Australia, APLNG, Arrow Energy, Papua LNG and Ramu Nico. Before joining Wau Accountants, he worked as an Audit Director with Deloitte in Papua New Guinea and Australia.