https://www.pngbusinessnews.com/articles/2026/7/tisa-group-ceo-koisen-urges-financial-sector-to-unlock-k15-billion-informal-economy-to-maximise-png-s-resource-boom PNG Business News en 2026-07-20T06:52:00+08:00 TISA Group CEO Koisen urges financial sector to unlock K15 billion informal economy to maximise PNG's resource boom #PapuaNewGuinea, #PNG, #PNGResourcesWeek2026, #Resources, #Mining, #Energy, #Finance, #Banking, #FinancialInclusion, #InformalEconomy, #SMEs, #ESG, #Sustainability, #GreenFinance, #DigitalFinance, #Investment, #EconomicDevelopment, #MichaelOKoisen, #TISAGroup, #APECHaus, #PortMoresby, #ResourceBoom, #Localisation, #TradeFinance, #AgencyBanking, #MobileWallet, #USSD, #ClimateResilience, #RenewableEnergy, #Agriculture Mining