COSO and PwC Release 12-Principle Board Oversight Framework: Corporate Governance Guiding Principles for Board Oversight

In March 2026, COSO — with PwC as principal author — published its first-ever standalone board governance framework, offering 12 interconnected principles spanning governance structure, accountability, culture, strategy and performance oversight, risk management, and executive succession. The framework explicitly shifts emphasis from policy approval to behavioural governance — asking whether board decisions are actually shaping conduct and decision-making throughout the organisation. For SEA mid-market CEOs and founders, the framework provides a directly actionable blueprint to test whether their governance model closes the gap between board decisions and operational follow-through.