Ben Sun is a co-founder and General Partner at Primary Venture Partners. See sector focus and contact routes.
Ben Sun is a co-founder and General Partner at Primary Venture Partners, an early-stage New York-based venture capital firm he launched in 2015 with Brad Svrluga to invest in pre-seed and seed deals. His investment thesis centers on consumer-facing companies, with a specific focus on e-commerce and AI-native products that act as trusted consumer partners by reducing friction and anticipating needs. Sun typically leads investments in these sectors, having instrumentalized Primary’s initial investment in the e-commerce unicorn Jet.com and continuing to lead all e-commerce deals at the firm. Notable portfolio companies include Coupang (South Korea’s largest online retailer), Jet.com (acquired by Walmart for $3.3 billion), Slice (a pizza delivery app), and MakeSpace. Sun is distinguished by his “founder-first” approach, which stems from his own experience co-founding Community Connect, one of the first social networking companies, and LaunchTime, an early-stage incubator. He has been named to Forbes’ Midas List for the past three years, ranking him among the top 100 tech investors globally.
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