Jack Dorsey's Bold Move: 40% Staff Cut at Block, $5.3B Fortune Tied to Bitcoin & AI

• Jack Dorsey, co-founder of Twitter and Block, is a minimalist billionaire known for his unconventional leadership and focus on efficiency.
• His net worth is estimated at $5.3 billion (Feb 2026), largely from Block holdings and significant Bitcoin investments.
• Block, his fintech empire (Cash App, Afterpay), reported $10.36 billion gross profit in 2025, a 17% increase.
• In February 2026, Dorsey announced cutting ~40% of Block's global staff (over 4,000 jobs) to boost efficiency and create an "AI-native" company.
• Investors reacted positively, with Block shares jumping over 23%, reinforcing a perception of disciplined growth and long-term profitability.