{"city":"New York","name":"Tiger 21","slug":"tiger-21","facts":[],"peers":[],"stage":null,"state":"New York","aliases":[],"country":"United States","domains":[{"why":"TIGER 21 sells membership in confidential peer groups, education, and networking for high-net-worth entrepreneurs, investors, and executives.","list":null,"rank":null,"tier":"watchlist","layer":null,"total":62,"domain":"Investment Houses","scores":{"thesis_fit":2,"willingness":3,"reachability":4,"centralization":3,"opportunity_scale":5,"investing_activity":3},"edition":null,"segment":null}],"founded":null,"signals":[],"website":"tiger21.com","category":"Founder & Executive Networks","categories":[{"name":"CEO & executive peer networks","domain":"Investment Houses","parent":"Founder & Executive Networks"}],"last_round":null,"updated_at":"2026-09-22T22:19:13.905+00:00","facts_total":0,"positioning":"TIGER 21 is a private, invitation-only peer advisory and membership network for ultra-high-net-worth entrepreneurs, investors, and executives, providing confidential group discussions, family-office resources, wealth-preservation guidance, and legacy planning. Founded by Michael W. Sonnenfeldt in 1999, the organization reports more than 1,900 members across 162 groups in 54 cities, with global, family-office, and virtual communities.","sub_category":"CEO & executive peer networks","signals_total":0,"url":"https://www.frontiertechintelligence.com/companies/tiger-21","title":"Tiger 21 · investment houses, New York, New York, United States · scores, facts and signals · Frontier Tech Intelligence","description":"TIGER 21 sells membership in confidential peer groups, education, and networking for high-net-worth entrepreneurs, investors, and executives. Investment Houses watchlist (score 62)","publisher":"Frontier Tech Intelligence (Future Frontiers, a trade name of Essential Cognition Inc.)","note":"Assessment by Frontier Tech Intelligence; facts and signals carry their sources."}