Fernbrook invests in high potential, fast-growing Software and Consumer companies and helps them grow.


Fernbrook invests in ambitious entrepreneurs. We use our operational expertise to help them scale and build the technologies and brands of tomorrow. Our partner companies understand that today's consumers demand unparalleled product performance and seamless eCommerce execution, along with an inclusive, impactful and emotional experience.



Marigay McKee
General Partner

"We believe in great people, great ideas, and great products. We believe in the values of hard work and high energy in our day to day quest of finding the brands of the future in a world that celebrates innovation, imagination, and inclusivity."

Marigay has over 20 years of senior operating experience at the pinnacle of luxury retailing. After launching her career at Estée Lauder in Europe, Marigay joined Harrods, the preeminent luxury retailer in London.  Over 15 years, she helped to develop and execute the buying and product strategy, advancing to become the store’s Chief Merchant. Harrods attracted a greater share of luxury clients through the implementation of her strategic vision and direction on exclusivity. In 2013, after a successful career at Harrods, Marigay moved to New York to become the President of Saks Fifth Avenue. At Saks, she evolved a new vision for the iconic retailer's luxury and positioning platform, new branding and packaging development, and a luxury launch platform for new brands. She founded MMLuxe Consulting in 2015 working with Related, Blackstone, American Express, and Value Retail as clients. She then co-founded Fernbrook where she has been actively venture investing (alongside her consulting practice) for the last few years in tech and consumer brands.

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William F. Detwiler

General Partner

"Relying on our global relationship networks and conducting thorough diligence, Fernbrook invests with confidence knowing that the people and technologies driving our companies will sustain and enhance future growth."

Bill is a Co-Founder and Managing Partner of Fernbrook Capital
Management. Bill has been an advisor and investor in the consumer  industry since 2003 and has over 25 years of finance, investing and legal expertise.

Prior to Fernbrook, Bill was a Managing Director at GLC Advisors & Co., an investment banking firm with offices in New York, Denver and San Francisco. Prior to GLC, he was the
 Chief Investment Officer of United Safety Ltd., a global provider of industrial safety services and equipment to many of the world’s largest energy companies. Bill developed and executed a global strategic growth plan, completed equity and debt recapitalizations, and implemented operational efficiencies across finance and administrative functions.

In 2003, Bill co-founded Watch Hill Partners, a New York-based
merchant banking firm, where he advised and invested across the
consumer and retail sector and other industries. After selling Watch
Hill to FBR Capital Markets in 2009, Bill co-founded Three Ocean
Partners, an investment banking firm based in New York. While at those firms, Bill led investments in Beautycounter, Tory Burch, OfficeTiger and other private equity and venture capital transactions. He maintains his Series 7, 24, and 63 securities licenses and is a registered representative at Wavecrest Securities LLC (member FINRA/SIPC), an unaffiliated entity of Fernbrook. Prior to starting Watch Hill, Bill was an M&A attorney in New York and Philadelphia, and a law clerk for U.S. District Judge Malcolm Muir of the U.S. District Court for the Middle District of Pennsylvania. He started his career at Price Waterhouse. Bill remains a member of the New York bar.

He holds the following degrees: B.S. in Political Science with a minor in Computer Science from Trinity College; J.D. from the Villanova University School of Law, where he was an Managing Editor of the Villanova Law Review; and Masters in Accounting from the University of Hartford. 

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Takuma M. Riordan
Investment Associate

Takuma is an Investment Associate in our NYC office, where he plays a key part in Fernbrook’s investing and portfolio management activities.

Prior to joining Fernbrook, Takuma was an Investment Analyst at Archegos Capital Management. 

At Archegos, Takuma covered the Financials sector with a focus on FinTech in addition to responsibility over the firm’s coverage of Japan. Prior to Archegos, he worked at Bank of America Merrill Lynch and the former Prime Minister of Japan, Shinzo Abe’s office.

Born and raised in Tokyo, Japan, Takuma is fluent in Japanese and graduated with honors from the University of Miami with a degree in Economics and International Studies. He is a member of the Japan Society in New York. 


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