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Jean Sini
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Jean Sini

Jean Sini is General Partner at Partech. He joined in May 2019 and is based in San Francisco.


Jean has over 20 years of experience in various executive technology and product roles at both large and start-up software companies. Most recently, he was CTO for Cadre. Previously, he was CTO and CPO at One Kings Lane, where he drove technical and product strategy, and oversaw a 60-strong engineering, design, and product team. Earlier, Jean was Vice President of Engineering at personal finance management startup Mint, acquired by Intuit for $175m in 2010. Before that, he worked within the engineering teams at Symbol Technology, a division of Motorola, and started his career as software engineer at Oracle in San Francisco.
 
Jean has also been a serial entrepreneur ; he co-founded and successfully sold two start-ups: he was co-founder and CTO at Fountain, a company which was acquired by Porch in October 2015, and was CTO and co-founder at Activeweave, acquired by Twelvefold Media in April 2008. 
 
Since 2012, Jean has been investing in and advising early stage technology startups, including Treasure Data, sold to ARM in 2018 for over $600m, Canva, currently valued at over $2.5b, People.ai, Grove Financial, ProdPerfect, Antheia, amongst others.
 
Jean holds an MSc in Computer Science from Telecom ParisTech and a DEA in Computer Science from Université Pierre et Marie Curie in Paris.
 
Jean is an avid kiteboarder and snowboarder.