Sim Blaustein is a Partner at Bertelsmann Digital Media Investments (BDMI). See sector focus and contact routes.
Sim Blaustein is a Partner at Bertelsmann Digital Media Investments (BDMI), where he has focused on seed and early-stage venture investments since joining the firm in 2012 from High Line Venture Partners, the seed fund he co-founded. His investment thesis targets early-stage companies in digital media and enterprise software, primarily within the United States. Blaustein typically leads investments rather than following, having spearheaded BDMI deals in companies like Food52, StyleHaul, Dramafever, Nativo, and Frank & Oak. Notable portfolio companies in his active portfolio include Antenna, Extra, Omaze, Rally Rd, Suzy, and WhoWhatWear, alongside past exits such as Barkbox (IPO) and Pathmatics (acquired by Sensor Tower). While specific check sizes are not publicly detailed, his background includes managing 17 investments at Gabriel Ventures and over 30 at High Line, indicating a consistent focus on seed and early rounds. Blaustein holds an MBA from MIT Sloan and an engineering degree from Cooper Union, and he is fluent in German and Spanish, though no distinctive public writing or unique point of view beyond his sector focus is documented in availabl
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