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Foundations vs TIGER 21

Foundations is a hybrid community platform with staff-convened. TIGER 21 is a hybrid facilitated forum with paid facilitator. This page compares cost, requirements, format, and stage fit using verified public data. Foundations: Seattle technical founders who want an invite-only in-person community, space, mentors, and peer accountability around early company building. TIGER 21: UHNW wealth creators who want a Chair-facilitated personal board on investments, family, and legacy.

Side-by-side

FieldFoundationsTIGER 21
Formathybridhybrid
Structurecommunity platformfacilitated forum
Facilitationstaff-convenedpaid facilitator
Group sizeNot published for peer subsets5 to 15 (max 15 per Group)
Stage fitPre-seed and seed, Series AThis group is not framed by VC stage.
Revenue / capital floorNot publishedNot a revenue floor — verifiable investable assets or qualifying net worth of at least $20M USD.
Annual costNot publishedNorth America: USD 34,000 annual dues + USD 5,000 initiation (effective Apr 1, 2026). Other regions published on pricing policy page.
Application modelapplicationinvite-only
Venture-specificYesNo
Other requirementsInvite-only application; Member acceptance requires strong track record of building/scaling startups; FIR path for earlier founders; Seattle or SF/Bay based optionsInvitation only. Vetted via 5Cs: Character, Contribution, Capacity, Conditions, Capital. Capital alone does not guarantee invitation.
Time commitmentFIR: 6-month residency with space as full-time office; Members: visit as third space up to a couple times/week plus weekly eventsMonthly day-long meetings 11 times per year
GeographySeattle (Capitol Hill) and San Francisco (South FiDi)Global — 54 cities, 162 Groups (per About page as of verification)
Best forSeattle technical founders who want an invite-only in-person community, space, mentors, and peer accountability around early company building.UHNW wealth creators who want a Chair-facilitated personal board on investments, family, and legacy.
Not forOperators seeking a classic confidential CEO peer board with published dues and a fixed monthly half-day forum.Operators below the $20M capital bar, or founders seeking a venture-stage peer room rather than a UHNW wealth network.
Last verified2026-09-152026-09-15

Verdict by stage

Pre-seed and seed

At Pre-seed and seed, Foundations lists this stage. TIGER 21 does not. The fit is Foundations for this stage band.

Series A

At Series A, Foundations lists this stage. TIGER 21 does not. The fit is Foundations for this stage band.

Growth

At Growth, neither group lists this stage as a primary fit. Foundations targets Pre-seed and seed, Series A. TIGER 21 is not framed by VC stage.

Late stage

At Late stage, neither group lists this stage as a primary fit. Foundations targets Pre-seed and seed, Series A. TIGER 21 is not framed by VC stage.

FAQ

How much do Foundations and TIGER 21 cost?
Foundations: Not published (verified 2026-09-15). TIGER 21: North America: USD 34,000 annual dues + USD 5,000 initiation (effective Apr 1, 2026). Other regions published on pricing policy page. (verified 2026-09-15). Prices are shown verbatim from public sources; nothing is estimated.
What are the requirements for Foundations vs TIGER 21?
Foundations: Not published Invite-only application; Member acceptance requires strong track record of building/scaling startups; FIR path for earlier founders; Seattle or SF/Bay based options TIGER 21: Not a revenue floor — verifiable investable assets or qualifying net worth of at least $20M USD. Invitation only. Vetted via 5Cs: Character, Contribution, Capacity, Conditions, Capital. Capital alone does not guarantee invitation.
Which is better for venture-backed founders?
Foundations is venture-specific. TIGER 21 is not. The fit is Foundations when you want a venture-scale room.
Foundations profile·TIGER 21 profile

Sources

Primary public pages used for the fields above.