Joshua Mailman is the Managing Director of Serious Change, a London-based sole LP impact investment vehicle he founded. See sector focus and contact routes.
Joshua Mailman is the Managing Director of Serious Change, a London-based sole LP impact investment vehicle he founded in 2006 with $70–$100 million in assets under management[1][3]. His investment thesis targets early-stage for-profit enterprises in the developing world, green manufacturing, fair trade, sustainable food, mission-driven online platforms, and sustainable finance[5]. The firm provides capital to early-stage impactful enterprises, though specific check sizes and lead/follow behavior are not publicly detailed in available sources[7]. Notable portfolio companies include Grove Collaborative, Zola Electric, Allovue, and Indigenous Designs, reflecting a focus on environmental sustainability and social justice[1][2]. Mailman defines impact investing as private investment in for-profit companies with deep social and environmental missions, distinguishing it from passive screening or community investing[5]. He is also a founding trustee of the Sigrid Rausing Trust U.K. and continues to invest in game-changing for-profit and nonprofit enterprises[1].
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