Altos Ventures

Altos Ventures Management, Inc. is a venture capital firm founded in 1996 and headquartered in Menlo Park, California, with an additional office in Seoul, South Korea. The firm specializes in early-stage technology investments across various sectors, including enterprise software, financial technology, e-commerce, and consumer services. Altos Ventures seeks to support companies from inception to global growth, focusing on high-growth, capital-efficient, founder-led businesses. The firm typically invests between $500,000 and $3 million initially, with the potential for follow-on investments exceeding $100 million. Altos Ventures has been a lead institutional investor in over 100 companies worldwide, concentrating its investment activities in regions such as California, Canada, Korea, Central America, and the Caribbean. The firm aims for minority stakes in its portfolio companies, which generally have sales exceeding $1 million.

Brittany Hargest

Partner

Han Kim

Managing Director

Anthony Lee

Managing Director

Ho Nam

Managing Director and Co-Founder

Moon-Suk Oh

Partner

Hee-Eun Park

Partner

Tae Yoon

Partner

Zac Mohring

Principal

Past deals in Weather

Urban Sky

Series B in 2025
Urban Sky is focused on developing a groundbreaking reusable micro-satellite balloon designed for high-resolution Earth observation. This innovative vehicle utilizes advanced component miniaturization and balloon reusability to collect valuable aerial imagery and weather-related data over urban areas and vast landscapes. By operating in the stratosphere, Urban Sky significantly reduces the costs associated with traditional remote sensing methods, making it feasible to capture detailed imagery on a regular basis. This capability opens up new opportunities for clients in various industries to access precise satellite imagery, enhancing their understanding of urban environments and facilitating better decision-making. With its unique approach, Urban Sky aims to transform the way data is gathered from the near-space environment, providing insights that were previously unattainable.
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