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Peer advisory · HNW networks · Investor networks

TIGER 21

TIGER 21, LLC

Ultra-high-net-worth entrepreneurs, investors and executives with at least US$20 million in investable assets, many of them post-exit.

A conference table by tall windows with the chairs pushed in after a session
Illustration

A profile page holds what the organization publishes and what named sources report: who it admits, what it costs, how it is structured, where it operates, and how it has changed. Every figure carries the date it was checked. A dash means the organization does not publish that fact.

Founded1999
HeadquartersNew York, United States
Members1,900as of September 2026
Chapters162
Footprint162 groups across 54 cities worldwide, including North America, Europe, the Middle East, Asia and Oceania, plus virtual groups
InvitationNot required

Founding: Founded by Michael W. Sonnenfeldt with a single group of six entrepreneurs in New York City who had recently sold their businesses. The name is widely reported to stand for The Investment Group for Enhanced Returns in the 21st Century, which TIGER 21 does not state on the pages reviewed. Headquarters city reported by secondary sources; TIGER 21 does not state it on its about page.

TIGER 21 is a peer-advisory network for individuals with substantial personal capital rather than for operators of qualifying companies. Michael Sonnenfeldt founded it in 1999 with one group of six New York entrepreneurs who had recently sold their businesses, and it now reports more than 1,900 members in 162 groups across 54 cities. Members join a group of 12 to 15 peers that meets monthly, eleven times a year, in day-long sessions. The signature format is Portfolio Defense: each member presents a confidential account of their own investment portfolio and defends its construction to the group, and in later years may present on other subjects such as real estate, philanthropy, health, or life and legacy. Admission is tested against a published minimum of US$20 million in verifiable investable assets or qualifying net worth, and against four qualitative tests TIGER 21 calls the 5Cs. Dues are published and are the highest of any organisation in this batch: US$34,000 a year in North America, or US$51,500 for Family Office Groups.

How it works

Members are placed in a group that begins with five founding members and grows selectively to a maximum of fifteen. Groups meet monthly, eleven times a year, and each member presents a Portfolio Defense roughly annually. Annual dues cover the eleven regular meetings; there is also a national and global events programme.

Typical member

Members are wealth creators rather than salaried executives: current and former entrepreneurs, investment managers and senior executives, typically after a liquidity event, whose central problem has shifted from building a business to preserving and allocating capital.

Requirements are the tests the organization itself publishes: an age ceiling, a company-revenue floor, a net-worth minimum, a role. Where a figure straddles a range, the organization's own assessment decides. Local chapters can apply stricter tests than the published standard.

CriterionPublished requirementNoteProvenance
Minimum investable assets At least US$20,000,000 in verifiable investable assets or qualifying net worth Excludes personal-use assets. TIGER 21 states that meeting the minimum "does not guarantee admittance". Verified September 2026High confidenceSource ↗
Other criterion The 5Cs: Character, Contribution, Capacity, Conditions and Capital Character requires extensive background checks and interviews; Conditions requires acceptance of confidentiality, non-solicitation, participation and transparency. Verified September 2026High confidenceSource ↗
Other criterion Commitment to monthly meeting attendance and to not soliciting other members Verified September 2026High confidenceSource ↗
Application process
Candidates submit an inquiry and are assessed by a Membership Development Director against the 5Cs. Vetting includes extensive background checks and interviews, and TIGER 21 states the process typically takes about two months. Meeting the capital minimum is explicitly not sufficient on its own.
Sponsor required
Not documented by the organization or a source we could verify
Selectivity
TIGER 21 states that meeting the US$20 million minimum "does not guarantee admittance" and that other qualitative requirements apply at its discretion. No acceptance rate is published.
Membership term
Annual dues covering eleven scheduled monthly meetings; TIGER 21 does not publish a minimum term

Published criteria as verified on the dates shown. Final eligibility and admission decisions belong entirely to TIGER 21. See how you compare against these criteria →

Initiation fees are paid once on joining; dues recur. Chapter dues, retreats, travel and events are usually additional and are listed separately when the organization discloses them. Figures are as published or reported on the date shown, not quotations.

CostFirst yearThree yearsNoteProvenance
Annual duesa year $34,000$102,000 North America. TIGER 21 states dues vary by location and that annual dues cover all costs of the eleven regularly scheduled monthly meetings. Verified September 2026High confidenceSource ↗
Annual duesa year $51,500alternative tier, not added Family Office Groups annual dues, higher than the standard North American figure. Verified September 2026High confidenceSource ↗
Initiation feeonce $5,000$5,000 One-time initiation fee stated in TIGER 21's membership FAQ. Verified September 2026High confidenceSource ↗
Estimated total, disclosed figures only$39,000$107,000 Not counted: Annual dues (alternative tier, not added).
Ranges are taken at their midpoint; monthly dues are multiplied by twelve; the first-listed figure of each fee type is counted and later tiers of the same type are shown but not added; retreats, travel, events and anything the organization does not publish are left out rather than guessed. Figures are as published or reported on the date shown, not a quotation.

Structure and programming

Meeting frequency
Monthly group meetings, eleven times a year, with the calendar set up to a year in advance
Peer forums
Groups start with five founding members and grow selectively to a maximum of fifteen; members meet as a peer group with a moderating Chair.
Confidentiality
Confidentiality is one of the four Conditions members must accept, alongside non-solicitation, participation and transparency.
Time commitment
Eleven monthly meetings a year plus an annual Portfolio Defense presentation
Organized as
Forum based, event focused, virtual
Countries
Not publicly disclosed. TIGER 21 publishes a city count (54) rather than a country count.
Structure
Confidential peer forumsYes
Local chaptersYes
Virtual membershipPartial
Online communityYes
Member directoryYes
EventsYes
Programming
Educational programmingYes
Leadership developmentPartial
RetreatsYes
TravelPartial
Family
Family programmingPartial
Spouse and partner programmingPartial
Next-generation programmingPartial
Capital and giving
Investment discussionsYes
Investment opportunitiesNo
Philanthropic componentPartial
Emphasis
Networking emphasisMedium
Social emphasisMedium

Where it operates

57 chapters on file · 51 cities

The full list from TIGER 21’s own chapter directory, checked 15 October 2026. TIGER 21’s own chapter finder ↗

Each dot is a city with at least one chapter on file. City positions © OpenStreetMap contributors.

Main cities

Ranked by how many organizations on this site also meet there.

57 chapters

Chapter or locationCityRegionCountrySource
TIGER 21 Calgary Calgary Alberta Canada Source ↗
TIGER 21 Vancouver group Named among TIGER 21's Canadian groups in secondary reporting. Vancouver British Columbia Canada Source ↗
TIGER 21 Toronto group Named among TIGER 21's Canadian groups in secondary reporting; not separately confirmed on the locations page. Toronto Ontario Canada Source ↗
TIGER 21 Montreal Montreal Quebec Canada Source ↗
TIGER 21 Bengaluru group Bengaluru Karnataka India Source ↗
TIGER 21 Mumbai group Mumbai Maharashtra India Source ↗
TIGER 21 Delhi group Delhi India Source ↗
TIGER 21 Milan Milan Italy Source ↗
TIGER 21 Amsterdam Amsterdam Netherlands Source ↗
TIGER 21 Portugal Portugal Source ↗
TIGER 21 Singapore group Singapore Singapore Source ↗
TIGER 21 Madrid Madrid Spain Source ↗
TIGER 21 Switzerland Switzerland Source ↗
TIGER 21 Dubai Dubai United Arab Emirates Source ↗
TIGER 21 London London England United Kingdom Source ↗
TIGER 21 Phoenix-Scottsdale Phoenix Arizona United States Source ↗
TIGER 21 Los Angeles group Los Angeles California United States Source ↗
TIGER 21 Newport Beach Newport Beach California United States Source ↗
TIGER 21 San Diego San Diego California United States Source ↗
TIGER 21 San Francisco group San Francisco California United States Source ↗
TIGER 21 Denver group Denver Colorado United States Source ↗
TIGER 21 Greenwich Greenwich Connecticut United States Source ↗
TIGER 21 Washington DC group Washington District of Columbia United States Source ↗
TIGER 21 Boca Raton Boca Raton Florida United States Source ↗
TIGER 21 Jacksonville Jacksonville Florida United States Source ↗
TIGER 21 Miami group Miami Florida United States Source ↗
TIGER 21 Naples Naples Florida United States Source ↗
TIGER 21 Orlando Orlando Florida United States Source ↗
TIGER 21 Palm Beach Palm Beach Florida United States Source ↗
TIGER 21 Sarasota Sarasota Florida United States Source ↗
TIGER 21 Tampa Bay Tampa Florida United States Source ↗
TIGER 21 Atlanta group Atlanta Georgia United States Source ↗
TIGER 21 Chicago group Chicago Illinois United States Source ↗
TIGER 21 Indianapolis Indianapolis Indiana United States Source ↗
TIGER 21 Baltimore Baltimore Maryland United States Source ↗
TIGER 21 Boston group Boston Massachusetts United States Source ↗
TIGER 21 Detroit Detroit Michigan United States Source ↗
TIGER 21 Minneapolis Minneapolis Minnesota United States Source ↗
TIGER 21 Kansas City Kansas City Missouri United States Source ↗
TIGER 21 Las Vegas Las Vegas Nevada United States Source ↗
TIGER 21 New Jersey New Jersey United States Source ↗
TIGER 21 New York group TIGER 21's founding city; the locations page carries a New York region. New York New York United States Source ↗
TIGER 21 Long Island New York United States Source ↗
TIGER 21 Charlotte Charlotte North Carolina United States Source ↗
TIGER 21 Raleigh Raleigh North Carolina United States Source ↗
TIGER 21 Cincinnati Cincinnati Ohio United States Source ↗
TIGER 21 Cleveland Cleveland Ohio United States Source ↗
TIGER 21 Portland Portland Oregon United States Source ↗
TIGER 21 Philadelphia Philadelphia Pennsylvania United States Source ↗
TIGER 21 Nashville Nashville Tennessee United States Source ↗
TIGER 21 Austin group Austin Texas United States Source ↗
TIGER 21 Dallas group Dallas Texas United States Source ↗
TIGER 21 Houston group Houston Texas United States Source ↗
TIGER 21 Park City Park City Utah United States Source ↗
TIGER 21 Seattle group Seattle Washington United States Source ↗
TIGER 21 Family Office Groups Non-geographic groups for single-family-office decision-makers (M+ AUM); location not stated Source ↗
TIGER 21 Virtual Groups (Global Groups) virtual Source ↗

Independent context

TIGER 21 is unusual among the organisations in this set for publishing both its financial bar and its dues, which makes it easy to price and easy to disqualify yourself from. Its orientation is the reverse of the CEO peer groups: the subject matter is the member's own balance sheet, not the company's operations, and the non-solicitation rule matters because a room of that composition is otherwise a sales target. The screening is more intrusive than most, with background checks and interviews, and the organisation states that clearing US$20 million does not guarantee admission. The commitment is real: eleven full-day meetings a year plus an annual portfolio presentation is a heavier load than a monthly forum. The published minimum was reportedly US$10 million before being raised to US$20 million, but TIGER 21 does not document when the change occurred.

Editorial analysis by Peer Group Guide editors. It is separated from the record above and follows the editorial policy.

Appears in: Networks for US$10 million and above, by wealth band

History and changes

Site-wide change log →
  1. milestoneFounded by Michael W. Sonnenfeldt with a single group of six entrepreneurs in New York City. ↗
  2. threshold changeMinimum investable assets reportedly raised from US$10 million to the current US$20 million. TIGER 21 does not document the change or its date; the earlier figure appears in trade… ↗

Milestones as published by the organization or reported by a named source. “Record” entries are changes to this site’s own record of the organization, kept in the public change log rather than overwritten.

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Last verified: 6 September 2026 Confidence: High confidence Report an error on this page

Sources

  1. TIGER 21, TIGER 21. Accessed 6 September 2026.tier 1
  2. Wealth Management and Preservation Groups — About Us, TIGER 21. Accessed 6 September 2026.tier 1
  3. TIGER 21 Locations, TIGER 21. Accessed 6 September 2026.tier 1
  4. Membership — TIGER 21, TIGER 21. Accessed 6 September 2026.tier 2
  5. Membership Requirements — TIGER 21, TIGER 21. Accessed 6 September 2026.tier 2
  6. Membership FAQs — TIGER 21, TIGER 21. Accessed 6 September 2026.tier 2
  7. Tiger 21 and IPI cultivate wealthy - for profit, InvestmentNews. Accessed 6 September 2026.tier 6
  8. Tiger 21: Millionaires Helping Millionaires, D Magazine (D CEO), July 2012. Accessed 6 September 2026.tier 6

Source tiers follow the published hierarchy: 1 official site · 2 official membership materials · 3 application documents · 4 annual reports · 5 government filings · 6 reliable business publications · 7 credible interviews · 8 other reputable secondary sources. Sources and data policy.

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