Jonathan Winer

Jonathan Winer is a prominent entrepreneur and investor, currently serving as the Co-Founder and Co-CEO of Sidewalk Infrastructure Partners (SIP), a firm dedicated to transforming infrastructure through technology. SIP was established in 2019 and has secured significant backing from major investors including Alphabet Inc., the Ontario Teachers' Pension Plan, and StepStone Group.123

Background and Career

Winer's career spans over two decades, during which he has led three private equity platforms and managed investments exceeding $3 billion, focusing on the application of technology to real assets.12 Before co-founding SIP, he was the Head of Investments for Alphabet’s urban innovation platform, where he oversaw investment funds related to technology, real estate, and infrastructure.12 His earlier experience includes founding Nereus, a private equity fund investing in alternative energy infrastructure in Asia, and working at the D. E. Shaw Group, where he developed the private equity team across various sectors including venture capital and structured finance.123

Winer's academic background includes degrees in Philosophy and Computer Science from Yale University, which laid the foundation for his analytical approach to business and investment.1

Vision for Infrastructure

At SIP, Winer emphasizes the concept of an "infrastructure transition," paralleling shifts in energy investments towards more sustainable practices. He advocates for leveraging mobility technologies to enhance efficiency and inclusivity in public transit systems.4 His leadership at SIP reflects a commitment to innovative solutions that address contemporary infrastructure challenges through advanced technology.3

Winer is based in Brooklyn, New York, where he continues to influence the future of infrastructure investment with a focus on sustainability and technological integration.1