International Society Leadership Circle

• Presidents' Circle $50,000+
• Prime Ministers' Circle $25,000–49,999
• Foreign Ministers' Circle $15,000–24,999
• Ambassadors' Circle $10,000–14,999
• Consul Generals' Circle $5,000–9,999
• Diplomats' Circle $2,500–4,999
• Founders' Circle $1,872–2,499
• Young Explorers' Circle* $100 and above

Supporters

• Sponsor $1,000–1,871
• Advocate $500–999
• Contributor $250–499
• Friend up to $249

*For alumni from the ten most recent classes