urban-infrastructure
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Jonathan Winer
Jonathan Winer is the co-founder and co-CEO of Sidewalk Infrastructure Partners (SIP), a New York-based firm that applies technology to physical infrastructure like power grids, roads, water and digital systems. Backed by Alphabet, Ontario Teachers' Pension Plan and StepStone, SIP has raised close to $1 billion and incubates operating companies such as virtual power plant Renew Home and grid-flexible data center developer Verrus. Before SIP, Winer ran investments for Alphabet's urban innovation platform Sidewalk Labs, founded the Asian clean-energy fund Nereus, and helped build the private equity business at the D. E. Shaw group. He is known for thematic, first-principles investing in what he calls the 'missing middle' between venture capital and traditional infrastructure.
Fletcher Wilson
Fletcher Wilson is the co-founder and CEO of Throne Labs, the company behind the largest network of connected public restrooms in the United States. A mechanical engineer trained at Penn and Stanford, he spent nearly a decade building InterVene, a medical-device startup, before turning his attention in 2020 to a problem hiding in plain sight: the disappearance of clean, accessible public bathrooms. Throne's solar-powered, sensor-equipped units deploy in under two hours, are free to use, and have logged more than a million uses across 20-plus cities. In October 2025 the company raised an initial $15 million Series B led by Brentwood Associates.