Private EquityRIA · CRD 321090SEC-RegisteredPrivate Fund Adviser

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Fernbrook Capital Management

Bill Detwiler and Marigay McKee run Fernbrook Capital Management, a New York firm investing in revenue-stage consumer-tech through an operator-advisor...

Fernbrook Capital Management logo

Fernbrook Capital Management

Fernbrook Capital Management is an SEC-registered investment adviser in New York, NY, registered since 2022.

General information

Firm type

Private Equity

Year founded

AUM

Undisclosed

Location

Region

North America

Country

United States

City

New York

Corporate office

New York, NY, United States

Principals

William F. Detwiler

Managing Partner

Marigay McKee

Managing Partner

Shreyans Dugad

Investment Team Principal

Sector focus

SoftwareeCommerceMarketplacesConsumerEnterprise Software

Frequently asked questions

Who runs investment decisions at Fernbrook Capital Management?

Managing Partners William F. Detwiler and Marigay McKee jointly lead investment decisions. McKee's operating background as Chief Merchant at Harrods provides a sourcing and evaluation filter rooted in brand-revenue reality. Shreyans Dugad serves as Investment Team Principal, supporting deal execution.

What investment stages does Fernbrook Capital Management target?

The firm invests across early-stage, seed, startup, and growth equity rounds, concentrating on revenue-stage companies. This spans from initial commercial traction through established scaling phases. The unifying criterion is demonstrated revenue in software, marketplace, or eCommerce verticals.

How does Fernbrook source proprietary deal flow?

Fernbrook's deal flow derives substantially from the personal networks of its managing partners and its strategic advisor roster — former senior executives at Gap Inc., Amazon, Blackstone, and Bain & Company. McKee's fashion and luxury retail network provides early visibility into digitally native brand ecosystems.

Does Fernbrook participate in fund commitments or only direct deals?

Fernbrook's disclosed activity indicates direct equity investments in operating companies rather than a fund-of-funds model. The firm has not publicly stated participation in external fund commitments. Its investment pace and portfolio construction suggest a direct-investment mandate.

Which sectors does Fernbrook explicitly avoid?

Fernbrook has not published an explicit avoidance list. Its publicly stated focus on software, marketplaces, and eCommerce within the consumer ecosystem suggests probable avoidance of deep-tech hardware, biotech, and heavy industrial sectors that fall outside consumer-facing innovation.

What is Fernbrook's approach to co-investments?

Fernbrook has not publicly detailed a co-investment framework. Portfolio-company funding rounds have included external venture investors such as Andreessen Horowitz, indicating the firm operates comfortably within syndicates alongside established venture capital firms.

How is Fernbrook's strategic advisor model structured?

Strategic advisors include active industry executives such as Vanessa von Bismarck (BPCM) and former operators from Gap and Amazon. They are not full-time Fernbrook employees but provide deal-sourcing, diligence, and post-investment guidance. This embeds current-practitioner expertise into the investment process.

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