Jack Xu is the Founding Managing Partner of Seven Seas Partners. See sector focus and contact routes.
Jack Xu is the Founding Managing Partner of Seven Seas Partners, a venture capital firm he co-founded in 2015 with Jeff Xiong after serving as President and CTO of Sina Corporation and leading eBay China’s R&D center. The firm invests primarily in early-stage technology startups, with a focus on sectors including enterprise software, data infrastructure, and consumer internet, targeting opportunities in both the United States and China. While specific check sizes and lead/follow behavior are not publicly detailed, Xu serves as a board member at portfolio companies Maykke, Alluxio, and Tuniu, indicating active involvement. Notable named portfolio companies include Alluxio, a data infrastructure platform; Tuniu, a Chinese online travel company; and Maykke, a home technology firm. Xu holds a Ph.D. from UC Berkeley and has published technical work on search engine development, but no distinctive public investment thesis or recent opinion writing is documented in available sources.
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