Peter Nieh is an American venture capitalist and co-founder of Lightspeed Venture Partners, a prominent venture capital firm based in Menlo Park, California. He joined the firm in 2000 as one of its early partners and serves as a Managing Director and partner. With a background in electrical engineering, technology, and finance, he has expertise in consumer internet, enterprise technology, and software sectors. Prior to Lightspeed, he worked at Mohr Davidow Ventures and held engineering and product management roles at Netscape Communications and Apple Computer. Under his leadership, Lightspeed has backed notable companies such as Snapchat, MuleSoft, and Grubhub, contributing significantly to the firm's growth into a multi-billion-dollar asset manager. His investment philosophy emphasizes supporting innovative startups at early stages, and he is known for his collaborative approach in the venture ecosystem, including professional ties with co-founder Ravi Mhatre. He has been instrumental in Lightspeed's expansion into global markets while maintaining a focus on Silicon Valley innovation.