In 2025, NBK increased its sustainable asset portfolio to $5.9 billion, progressing toward its $10 billion 2030 target. It also executed Kuwait's first green financing agreement, providing $82 million for Mabanee’s Sabah Al Ahmad Project, and announced the allocation of over $625 million in its inaugural green bond issuance to 18 green projects across the Middle East, Europe, North America, and Asia-Pacific. The bank reduced its scope 1 and 2 operational emissions by 37.35% since 2021. Hanna assumed his current position in 2018.