
Walden International
1 California St Ste 1750, San Francisco, CA, 94111, United States
Overview
Walden International is unique among US venture firms through its focus on cross-border investments that leverage global markets and talent to grow industry-leading companies. For more than 30 years, their integrated team has brought extensive added value to help companies through capital, relationships and expertise. They look to partner with the best of the best – entrepreneurs with a strong appreciation for the benefits of leveraging talent and markets independent of geography to gain unfair advantage. Their team brings both extensive venture expertise together with in-depth operating experience to help you grow your company. They invest in early and expansion stage companies across sectors such as Semiconductors, Clean Tech, Internet & Digital Media and Software.
- Total investments
- 68
- Lead investments
- 19
- Investments · 12mo
- 2
- Active investors
- 10
Sector focus
- Finance
- Financial Services
- Venture Capital
Investment portfolio
- BrainCo
Led · Equity · Jul 2026
BrainCo develops noninvasive brain-computer interface hardware and AI-driven signal-decoding software, aiming to enable wearable BCI applications. Its notable products include an FDA-cleared bioengineered prosthetic hand that decodes nerve and muscle signals to drive individual finger movements, and a wearable device intended to improve sleep via low-intensity electrical stimulation. The company emphasizes dry-electrode sensors that capture brain signals without conductive gel and proprietary AI algorithms to improve decoding accuracy. Founded in 2015 by Han Bichen at Harvard, BrainCo relocated its headquarters to Hangzhou in 2018. Financially, the company recently completed a financing round of about ¥2 billion co-led by IDG Capital and Walden International, which the company and observers cite as supporting its commercialization and continued technology development efforts.
- Looki
Participated · Series A · Jan 2026
Founded in May 2024 by two Carnegie Mellon University alumni, Looki positions itself as an AI-native hardware brand. Its first product, the Looki L1, is marketed as the world’s first wearable multimodal AI device and debuted internationally in August 2025, with the initial few-thousand-unit inventory selling out quickly. A China-specific version launched on JD.com that December, bringing cumulative global sales to nearly 10,000 units. The founding team includes veterans from Google, Amazon, Qualcomm, ByteDance and leading autonomous-driving companies, giving the company deep expertise in AI algorithms, product design and hardware engineering. Over roughly one year the company has completed four funding rounds, the most recent being an over $20 million Series A. Capital from these rounds is expected to fund further product development and expanded manufacturing capacity. No revenue figures were disclosed in the article.
- EtherWhere
Led · Equity · Jul 2024
etherWhere is positioned as a low-power leader in GNSS technology, offering silicon and cloud-enabled geolocation solutions for wearables, asset and livestock tracking, avionics, and automotive. The company applies its patented AccuWhere™ Cloud to complement its silicon offering and its multi-antenna ArrayNav anti-jamming technology to increase sensitivity and reduce power consumption for battery-operated devices. On July 25, 2024 etherWhere announced a new $16.3M round of funding to support development of next-generation low-power products and to expand engineering talent and customer support. Management says customer demand is enabling the company to grow beyond initial projections and to tackle new opportunities. etherWhere is headquartered in Milpitas, California and maintains several global satellite offices.
- CIMO
Participated · Series A · Oct 2023
CIMO is a Chinese start-up developing high-performance analog chips and signal-chain solutions focused on analog-digital converters. Its products act as the bridge between the physical world and the cyber world by converting real-world signals for digital systems. The company was founded by a team of technical and business leaders in the semiconductor industry. CIMO plans to use its recent funding for talent recruitment, mass production of chip products, and new product development. Financially, the company has raised over RMB100 million in a Series A financing round. It is positioned to serve high-performance signal chain applications that support industry digitization in China.
- CanSemi
Participated · Equity · Jul 2022
Yuexin Semiconductor (粤芯半导体) is a market-driven, Guangzhou-grown foundry that specializes in analog chip manufacturing and is the Greater Bay Area's only 12‑inch analog chipmaker in full mass production. The company operates a customized foundry model that has deep ties to the automotive chip supply chain and concentrates on differentiated high-end analog process technologies. Phase I and II projects are completed and in production, and the company reports a thousand‑person professional team, established technology reserves and an IP portfolio. Existing industry customers have validated its capabilities and the firm aims to raise China’s analog chip self-sufficiency by expanding capacity. Yuexin plans to use the latest financing to build a new project phase, further scale 12‑inch analog specialty processes, and focus on industrial‑ and automotive‑grade mid-to-high-end analog chips to support upstream and downstream ecosystem innovation.