Joanna Rees is the Managing Partner at West, a venture studio and market accelerator in San Francisco. See portfolio, sector focus and contact routes.
Joanna Rees is the Managing Partner at West, a venture studio and market accelerator in San Francisco that provides market development expertise and funding to innovation economy companies, a role she has held since 2016 after previously serving as Managing Partner of West.Ventures. Her investment thesis centers on early-stage companies that combine technical innovation with market development, focusing on sectors like product design, brand marketing, and consumer internet at seed through Series A stages. Rees typically invests in check sizes ranging from $1M to $4M and has led capital raises for funds such as Endeavor Catalyst while serving on over 25 venture-backed boards. Notable portfolio companies include Twitter, Square, Impossible Foods, GoFundMe, Prelude Fertility, and Copia, reflecting her work with purpose-driven brands. A distinctive point of view in her public writing emphasizes helping organizations define their market and build powerful brands, drawing on her 15-year tenure founding VSP Capital and her background as a brand strategist. She also ran unsuccessfully for Mayor of San Francisco in 2011 and serves on the corporate
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