Founders Fund

Founders Fund is a San Francisco-based venture capital firm that backs science and technology companies across multiple stages, from seed to late-stage. It pursues transformative technologies and follows a founder-friendly investment approach that provides substantial support with minimal interference. The firm invests in ventures solving difficult problems across sectors such as aerospace and transportation, artificial intelligence, advanced computing, energy, healthcare, biotechnology, cybersecurity, fintech, consumer internet, software, robotics, and related technology fields. It has backed notable companies early, including SpaceX, Palantir, and Facebook, reflecting a history of partnering with ambitious founders to scale breakthrough technologies.

Lauren Gross

Partner and COO

Bridget Harris

Associate

Joey Krug

Partner

Jeffrey Lonsdale

Managing Director, Asia

John Luttig

Partner

Past deals in Steel

Hgen

Seed Round in 2024
Hgen develops modular electrolyzers to produce green hydrogen, aiming to decarbonize industries such as steel and ammonia production. By utilizing renewable energy sources, Hgen enables affordable green hydrogen solutions for deep decarbonization.

Hgen

Seed Round in 2022
Hgen develops modular electrolyzers to produce green hydrogen, aiming to decarbonize industries such as steel and ammonia production. By utilizing renewable energy sources, Hgen enables affordable green hydrogen solutions for deep decarbonization.

Modumetal

Venture Round in 2019
Modumetal, Inc. specializes in the development and manufacturing of nano-laminated metals and materials, catering to various industries including energy, aerospace, automotive, defense, infrastructure, and construction. Founded in 2006 and based in Seattle, Washington, with an additional sales office in The Woodlands, Texas, the company utilizes a proprietary technology that produces these alloys at an industrial scale. Modumetal's products are engineered to be stronger, lighter, and more corrosion-resistant than traditional metals, achieved through a manufacturing process that employs electricity instead of heat, thereby minimizing environmental impact. The company's offerings include customized alloys, nano-laminated fasteners, pumps, valves, and production tubulars, all designed to enhance performance and durability while maintaining competitive pricing compared to conventional materials.

Modumetal

Venture Round in 2019
Modumetal, Inc. specializes in the development and manufacturing of nano-laminated metals and materials, catering to various industries including energy, aerospace, automotive, defense, infrastructure, and construction. Founded in 2006 and based in Seattle, Washington, with an additional sales office in The Woodlands, Texas, the company utilizes a proprietary technology that produces these alloys at an industrial scale. Modumetal's products are engineered to be stronger, lighter, and more corrosion-resistant than traditional metals, achieved through a manufacturing process that employs electricity instead of heat, thereby minimizing environmental impact. The company's offerings include customized alloys, nano-laminated fasteners, pumps, valves, and production tubulars, all designed to enhance performance and durability while maintaining competitive pricing compared to conventional materials.

Plethora

Venture Round in 2015
Plethora Corporation is a precision machining company that specializes in CNC machining, milling, and turning of various materials, including aluminum alloys, copper alloys, plastics, steels, and stainless steels. Founded in 2012 and headquartered in San Francisco, California, with an additional office in Marietta, Georgia, Plethora serves a diverse range of industries, such as robotics, automotive, aerospace, and consumer packaged goods, in the United States. The company offers innovative manufacturing systems that transform customer designs into custom parts by utilizing robotics and proprietary in-house software. Plethora also provides design feedback by analyzing CAD models directly within the client's CAD software, ensuring optimized manufacturing processes.

Modumetal

Venture Round in 2015
Modumetal, Inc. specializes in the development and manufacturing of nano-laminated metals and materials, catering to various industries including energy, aerospace, automotive, defense, infrastructure, and construction. Founded in 2006 and based in Seattle, Washington, with an additional sales office in The Woodlands, Texas, the company utilizes a proprietary technology that produces these alloys at an industrial scale. Modumetal's products are engineered to be stronger, lighter, and more corrosion-resistant than traditional metals, achieved through a manufacturing process that employs electricity instead of heat, thereby minimizing environmental impact. The company's offerings include customized alloys, nano-laminated fasteners, pumps, valves, and production tubulars, all designed to enhance performance and durability while maintaining competitive pricing compared to conventional materials.

Plethora

Series A in 2014
Plethora Corporation is a precision machining company that specializes in CNC machining, milling, and turning of various materials, including aluminum alloys, copper alloys, plastics, steels, and stainless steels. Founded in 2012 and headquartered in San Francisco, California, with an additional office in Marietta, Georgia, Plethora serves a diverse range of industries, such as robotics, automotive, aerospace, and consumer packaged goods, in the United States. The company offers innovative manufacturing systems that transform customer designs into custom parts by utilizing robotics and proprietary in-house software. Plethora also provides design feedback by analyzing CAD models directly within the client's CAD software, ensuring optimized manufacturing processes.

Plethora

Seed Round in 2013
Plethora Corporation is a precision machining company that specializes in CNC machining, milling, and turning of various materials, including aluminum alloys, copper alloys, plastics, steels, and stainless steels. Founded in 2012 and headquartered in San Francisco, California, with an additional office in Marietta, Georgia, Plethora serves a diverse range of industries, such as robotics, automotive, aerospace, and consumer packaged goods, in the United States. The company offers innovative manufacturing systems that transform customer designs into custom parts by utilizing robotics and proprietary in-house software. Plethora also provides design feedback by analyzing CAD models directly within the client's CAD software, ensuring optimized manufacturing processes.
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